SPDX-License-Identifier: CC0-1.0

• 13.8 Ga - Big bang / Age of the Universe
• Big bang + 300 kya - Cosmic microwave background (CMB) source
• 4.5 Ga - Earth Forms
• 4.5 - 4.0 Ga - Hadean geologic eon
• 4.3 - 3.6 Ga - last universal common ancestor (LUCA)
• 4.0 - 2.5 Ga - Archean geologic eon
• 3.7 Ga - First fossil life
• 3.5 Ga - Photosynthesis
• 2.4 Ga - First atmospheric oxygen on Earth
• 350 mya - oldest sea floor - Mediterranean
• 200 mya - oldest sea floor outside of the Mediterranean - Northwest Pacific
• Jurassic quiet zone
• Cretaceous quiet zone - C34n
• KT Boundary
• 0.780 mya Brunhes–Matuyama reversal - List of geomagnetic reversals
• Plumb bob used in ancient Egypt
• 206 BC - Compass invented - Not used for navigation until the 11th century.
• ~140 BC - Hipparchus - developed trigonometry and some spherical trigonometry
• 100-200 BC - Antikythera mechanism - first analog computer
• 46 BC - Julian Calendar proposed
• 0 - Common Era (CE) start / Anno Domini (AD) start
• 106 CE - Paper making process
• 347 CE - Earliest known oil well
• 1490 - Leonardo da Vinci detecting ships by underwater sound
• 1551 - Plane table earliest mention
• 1562 - Submarine - Two Greeks submerged and surfaced
• 1569 - Mercator projection
• 1576 - Theodolite first built
• 1582 - Gregorian calendar went into effect. Thursday 4 October 1582 was followed by Friday 15 October 1582
• 1620 - Gunter's chain for distance measuring
• 1656 - Pendulum clock
• 1676 - Rømer's determination of the speed of light
• 1699 - Newton’s reflecting quadrant
• 1724 - Fahrenheit temperature scale proposed
• 1731 - Sextant first implemented
• 1732 - encoding of data by discrete bits
• 1742 - Celsius proposed
• 1761 - H4 marine chronometer
• 1776 - Photogrammetry started about here
• 1785 - Galactic coordinate system first version
• 1791 - Start of Principal Triangulation of Great Britain ended in 1853
• 1797 - Alexander von Humboldt attributed rock magnetization to lightning strikes
• 1807 - US funds U.S. coastal survey that later became NOAA
• 1826 - First permanent photograph of a camera image
• 1830 - Airy ellipsoid
• 1833 - Buttermilk: The Oldest Surviving Survey Mark in the US.
• 1843 - Note G by Ada Lovelace
• 1854 - John Snow maps Cholera in London
• 1854 - The Laws of Thought by George Boole
• 1855 - Gall stereographic projection
• 1858 - aerial photography from a balloon by Nadir - first remote sensing
• 1859 - Charles Darwin published the Origin of Species
• 1861 - Clarke ellipsoid
• 1866 - Dynamite invented
• 1875 - General Conference on Weights and Measures (CGPM) started
• 1879 - United States Geological Survey (USGS) formed
• 1884 - International Meridian Conference
• 1890 - Peano curve - first example of a space filling curve
• 1891 - Hilbert curve
• 1894 - Brunton compass patented
• 1902 - Atlas Elektronik founded https://en.wikipedia.org/wiki/Atlas_Elektronik
• 1903 - General Bathymetric Chart of the Oceans (GEBCO) started
• 1904 - Radar the beginnings of detecting remote metal objects
• 1907 - Radiometric dating first published
• 1911 - Discovery of superconductivity
• 1911 - Uranium-Lead dating paper by A. Holmes
• 1912 - Alfred Wegener proposed continental drift
• 1912 - Sinking of the RMS Titanic
• 1913 - Sonar first echo sounder patent
• 1914 - International Convention for the Safety of Life at Sea (SOLAS)
• 1915 - General relativity published by Einstein
• 1917 - Nautical time standard developed
• 1918 - Shapley - globular clusters distribution leading to the latest galactic coordinate system
• 1927 - North American Datum of 1927 (NAD27)
• 1928 - Universal Time (UT)
• 1928 - Hydrographic Manual by J.H. Hawley
• 1929 - Breakage of submarine cables by a turbidity current
• 1930s - Siemens star / spoke target developed
• 1931 - Simrad founded. Became the start of Kongsberg Maritime
• 1934 - American Society for Photogrammetry and Remote Sensing (ASPRS) founded
• 1936 - Turing machine
• 1940s - Development of radiocarbon dating
• 1940 - Gee radio navigation system
• 1940 - Project 3 hyperbolic radio navigation system - predecessor to Loran
• 1941 - Z3 (computer)
• 1942 - Decca radio navigation system.
• 1942 - First INS https://www.ion.org/publications/abstract.cfm?articleID=100716
• 1942 - LORAN hyperbolic radio navigation system
• 1942 - Universal Transverse Mercator coordinate system first appears
• 1945 - Trinity (nuclear test) - first detonation of a nuclear weapon
• 1945 - Electronic Numerical Integrator and Computer (ENIAC)
• 1948 - A Mathematical Theory of Communication by Claude E. Shannon
• 1949 - Atomic clock - ammonia clock
• 1951 - Synthetic-aperture radar idea created
• 1951 - UNIVAC I (Universal Automatic Computer I) - First commercial computer
• 1952 - Marie Tharp map of the sea floor
• 1954 - International System of Units (SI) started
• 1954 - Kelvin added to SI
• 1955 - Cesium atomic clock for time standards Atomichron
• 1956 - P.M.S. Blackett invented a sensitive astatic magnetometer
• 1957 - Tellurometer - the first successful microwave distance measurement
• 1957 - Sputnik 1 - First satellite
• 1957 - Fortran first appeared
• 1957 - First physiographic map of an ocean
• 1958 - https://en.m.wikipedia.org/wiki/Kalman_filter
• 1959 - Corona / Keyhole satellites start
• 1959 - Vanguard 2 first experimental weather satellite
• 1959 - Bézier curve in computer graphics
• 1960 - Coordinated Universal Time (UTC) starts
• 1960 - Laser first built
• 1960 - Valdivia earthquake - Largest recorded earthquake at 9.4 - 9.6 moment magnitude
• 1960 - TIROS-1 first full-scale weather satellite
• 1960/2 - Plate tectonics / Vine–Matthews–Morley hypothesis
• 1961 - Lidar first system
• 1962 - Patent US3144631A filed - Radiation mapping system - multibeam sonar
• 1962 - Bob Nathan proposed image processing lab (IPL) at JPL
• 1962 - Geology in the Field by Bob Compton first published
• 1963 - Canada Geographic Information System (CGIS) - first GIS. Year from here
• 1964 - Ranger program to the moon gets first images with Ranger 7
• 1965 - Fred Billingsley wrote the word pixel
• 1965 - Harvard Laboratory for Computer Graphics and Spatial Analysis founded.
• 1966 - Video Image Communication And Retrieval (VICAR) at JPL VICAR_guide_5.0.pdf
• 1967 - Experimental Cartography Unit at Royal College of Arts, London
• 1968 - Mother of All Demos by Doug Engelbart
• 1969 - CHAYKA Russian hyperbolic radio navigation system similar to LORAN
• 1969 - Charge-coupled device (CCD) imager invented
• 1969 - Design with Nature Ian McHarg first edition
• 1969 - ESRI founded
• 1969 - RFC 1 for the Internet - List of RFCs
• 1970 - Unix time of 0
• 1970 - National Oceanic and Atmospheric Administration (NOAA) formed
• 1970 - ISO 3166 numeric country codes
• 1971 - Intel 4004 - First commercially available microprocessor
• 1972 - Landsat 1 launched - unofficially the beginning of the Earth Observing (EO) era
• 1972 - C (programming language) first appeared
• 1972 - Apollo 17 - last time people were on the moon; Jack Schmitt was first geologist on the moon
• 1973 - Unix first release
• 1973 - USGS Geographic Information Retrieval and Analysis System (GIRAS)
• 1973 - Source Code Control System (SCCS) initial release
• 1973 - air traffic control radar beacon system (ATCRBS) ??? or was this 1961?
• 1974 - Transmission Control Protocol (TCP)
• 1974 - LORAN C opened to civilian use
• 1974 - Quad tree invented
• 1974 - Federal Information Processing Standards (FIPS)
• 1975 - Cray-1 super computer
• 1976 - Hydrographic Manual, 4th edition
• 1977 - Multibeam echosounder - SeaBeam classic is the first commercial multibeam. 1st generation deep sea multibeam
• 1977 - Interactive Data Language (IDL)
• 1977 - First map of the entire ocean floor
• 1977 - Parsons and Sclater- ocean floor bathymetry and heat flow with age
• 1978 - Global Positioning System (GPS) first satellite launched
• 1978 - TIN,T. K. Peucker, R. J. Fowler, J. J. Little, and D. M. Mark. The triangulated irregular network. In Proc. of the Digital Terrain Models Symp., pages 516-532, St. Louis, MO, 1978. [pdf]
• 1978 - TMS5100 first DSP chip - Speak and Spell
• 1978 - Berkeley Standard Distribution (BSD) first release
• 1979 - CARIS formed from University of New Brunswick - Computer Aided Resource Information System
• 1979 - Map Overlay and Statistical System
• 1979 - Topological Principles in Cartography by James Corbett
• 1979 - Earth Resources Data Analysis System (ERDAS)
• 1979 - MATLAB first released
• 1979 - Network Time Protocol (NTP)
• 1980 - Geodetic Reference System 1980 (GRS80)
• 1980 - General Cartographic Transformation Package (GCTP) by John P. Snyder and Atef Elassal
• 1981 - Silicon Graphics founded
• 1981 - Flexible Image Transport System (FITS) first released
• 1981 - Random sample consensus (RANSAC) algorithm published
• 1982 - PostScript - page description language
• 1982 - GLONASS Russian GNSS system first launch
• 1982 - ESRI Arc/Info released
• 1982 - Revision Control System (RCS) first released
• 1982 - Spacecraft, Planet, Instrument, C-matrix, Events, - and the SPICE system created
• 1982 - United Nations Convention on the Law of the Sea (UNCLOS) signed
• 1983 - Db2 first release
• 1983 - Forward and inverse cartographic projection procedures published by Gerald Evenden - the start of PROJ
• 1984? CHS and Oracle do custom spatial app with the Oracle database
• 1984 - X Window System
• 1984 - GRASS GIS Released by the Army Corps of Engineers (ACOE)
• 1984 - NMEA_0183 first released
• 1984 - WGS84 / Earth Gravitational Model 1984 (EGM84)
• 1984 - Apple Macintosh initial release
• 1984-03 - Landsat-5 launched - will become the longest serving Earth observation satellite, becoming decommissioned 29 years later in 2013
• 1985 - GEOdetic SATellite (GEOSAT) launched
• 1985 - Cellular telephone first introduced
• 1985 - Intergraph IGDS CAD based GIS
• 1986 - Discovery of high-temperature superconductivity
• 1986 - Etak - First in car navigation system
• 1986 Chernobyl disaster
• 1986 - Start of Simultaneous localization and mapping (SLAM) with paper by Smith and Cheeseman
• 1986 - https://en.m.wikipedia.org/wiki/MapInfo_Pro
• 1986 - Swedish land Data Bank completed - first national digital cadaster
• 1986 - NOAA Technical Memorandum NMFS-S WFC-60, Determining fish movements from an "archival" tag by Smith, P., & Goodman, D. (1986)
• 1987 - Map projections: A working manual, USGS Professional Paper 1395, John P. Snyder
• 1987 - MIT License
• 1987 - https://en.m.wikipedia.org/wiki/TerrSet was IDRISI. Named for Muhammad al-Idrisi
• 1987 - NASA GCMD Science Keywords started
• 1988 - NetCDF started
• 1988 - Generic Mapping Tools (GMT; Gravity, Magnetics, Topography) initial release.
• 1988 - Integrated Land and Water Information System (ILWIS) first released
• 1989 - 2nd generation deep-sea multibeam (Hydrosweep DS) ref: https://en.wikipedia.org/wiki/Multibeam_echosounder
• 1989 - Garmin founded as ProNav
• 1989 - GNU Public License (GPL)
• 1989 - Receiver Independent Exchange Format (RINEX) for data interchange format for raw satellite navigation system data
• 1989 - SGI OpenInventor started
• 1990 - Hierarchical Data Format (HDF) started out of AEHOO (All Encompassing Hierarchical Object Oriented format)
• 1990 - Scott Fisher Scientific American Virtual Reality publication
• 1990 - WWW first prototype at CERN
• 1990 - Concurrent Version System (CVS) initial release
• 1990 - MS Windows 3.0
• 1990 - BSD 4-clause license
• 1990 - Federal Geographic Data Committee formed
• 1991 - GNU Lesser General Public License (LGPL)
• 1991 - Sam Leffler starts https://gitlab.com/libtiff/libtiff
• 1991 - Linux initial release
• 1991 - Alacarte - First GUI for ESRI’s Arc/Info by the USGS Menlo Park.
• 1991 - ArcView 1.0 Released by ESRI
• 1992 - Python (programming language) first appeared
• 1992 - Shape and Motion from Image Streams paper from Tomasi 10.1007/BF00129684 Structure from motion (SfM)
• 1992 - OpenGL Initial Release
• 1992 - new geomagnetic polarity time scale by Cande and Kent
• 1992 - First exoplanet detection confirmed
• 1992 - Terralens from Kongsberg Geospatial formerly InterMAPhics
• 1992 - TOPEX/Poseidon launched
• 1992 - NOAA Horizontal Time-Dependent Positioning (HTDP) 1.0 released
• 1993 - Virtual Environments for Vehicle Interfaces (VEVI) at NASA Ames
• 1993 - Xerox PARC Map Viewer, The first mapserver based on CGI/Perl
• 1993 - R (programming language) first appeared
• 1993 - Flash first released in the form of SmartSketch
• 1993 - MB-System first commit
• 1993 - Complex event processing (CEP) starts with Rapide project at Stanford University
• 1993 - EPSG Geodetic Parameter Dataset made public. Created 1985
• 1993 - GNU Octave first released - MATLAB like language
• 1993 - Portable Document Format (PDF) first released
• 1994 - United Nations Convention on the Law of the Sea (UNCLOS) effective
• 1994 - Environment for Visualizing Images (ENVI)
• 1994 - Blender initial release
• 1994 - Pure File Magic Area-Based Editor (pfmabe) sonar editing tool started by US Navy / NAVO
• 1994 - Open Geospatial Consortium (OGC) founded
• 1994 - MapServer initial release
• 1994 - PROJ4 released
• 1994 - FGDC metadata standard for the US government released
• 1994 - CMU Dante II goes into Mt Spurr
• 1995 - Exchangeable image file format (Exif) initial release
• 1995 - NumPy called “Numeric” at the time
• 1995 - JavaScript first released
• 1995 - Secure Shell (ssh) first introduced
• 1995 - GeoTIFF was published on the internet for the first time
• 1995 - Perforce founded - predecessor to Google Piper
• 1996 - Extensible Markup Language (XML)started
• 1996 - US National Spatial Data Infrastructure (NSDI) (possibly 1993 by Bill Clinton?)
• 1996 - Differential GPS (DGPS) - First production quality transmissions. What about Maritime Differential GPS (MDGPS) in the 1980s?
• 1996 - NASA Ames Stereo Pipeline starts
• 1996 - EGM96
• 1996 - MapQuest launched
• 1996 - Feature Manipulation Engine (FME) initial release
• 1996 - Computational Geometry Algorithms Library (CGAL) project founded
• 1997 - Kyl-Bingamon Amendment limiting satellite imagery of Israel
• 1997 - Virtual Reality Markup Language (VRML)
• 1997 - X3D Successor to VRML
• 1997 - WiFI introduced
• 1997 - Smith and Sandwell paper Global seafloor topography from satellite altimetry and ship depth soundings, Science
• 1997 - NOAA Field Procedures Manual first edition
• 1997 - NASA Ames Viz starts
• 1997 - OGC Simple features started.WKT for geometry?
• 1997 - MathWorks MatLab Mapping Toolbox first released
• 1998 - shapefile specification released
• 1998 - Google founded
• 1998 - M.1371-0 first specification of the Automatic Identification System (AIS) for ships
• 1998 - Yahoo! Maps launched
• 1998 - Generic Sensor Format (GSF) for sonar - baseline version
• 1998 - Manifold System released
• 1999 - libgeotiff first commit
• 1999 - BlackBerry first released
• 1999 - GIS Day starts
• 1999 - MetaCarta founded - 2001 Geographic Text Search
• 1999 - Keyhole Inc founded
• 1999 - GeoTools initial release
• 1999 - Ikonos satellite
• 1999 - Well-known text representation of coordinate reference systems (WKT)
• 1999 - Moderate Resolution Imaging Spectroradiometer (MODIS) on Terra
• 2000 - SQLite initial release
• 2000 - Earth Observing-1 (EO-1) launched with Hyperion imaging spectrometer
• 2000 - BeiDou first satellite launched
• 2000 - Shuttle Radar Topography Mission (SRTM)
• 2000 - OpenCV initial release
• 2000 - JTS funded
• 2000? - Wardriving first done to map out the location of WiFi base stations
• 2000 - Subversion initial release
• 2000 - Selective Availability (SA) disabled for GPS - https://www.gps.gov/systems/gps/modernization/sa/
• 2000 - GDAL first release
• 2000 - Geography Markup Language (GML) initial release
• 2000 - Hydrographic Surveys Specifications and Deliverables (HSSD) from NOAA first released
• 2000 - Information Visualization: Perception for Design by Colin Ware
• 2000 - Coin3D OpenInventor clone started
• 2000 - R Version 1.0.0 released
• 2000-11 - EO-1 satellite launched, carrying the Hyperion hyperspectral instrument, which will later release some of the first open hyperspectral data
• 2001 - SciPy
• 2001 - SkyTruth founded
• 2001 - Creative Commons License (CCL) started
• 2001 - PostGIS Initial Release
• 2001 - QuickBird launched
• 2001 - Keyhole Earthviewer 1.0
• 2001 - Creative Commons founded
• 2001 - IPython initial release
• 2001 - Mac OSX initial release
• 2001 - GeoServer initial release
• 2002 - Geometry Engine, Open Source (GEOS) aka libgeos first commit.
• 2002 - Undersea with GIS book by Dawn J. Wright
• 2002 - AIS Mandated for large ships
• 2002 - Blender released as open source
• 2002 - QGIS initial release
• 2002 - GPSBabel initial release
• 2003 - Wide Area Augmentation System (WAAS) for GPS first launched
• 2003 - LAS lidar format initial release
• 2003 - ISO 19115:2003 Geographic information Metadata
• 2003 - NASA WorldWind first release
• 2003 - Tableau Software founded
• 2003 - EMACS Org mode initial release
• 2003 - US Commercial Remote Sensing Space Policy signed into law
• 2003 - rgdal first published on CRAN
• 2003-01 - ICESat spaceborne lidar mission launched
• 2004 - Indian Ocean earthquake and tsunami 9.2–9.3 Mw
• 2004 - Apache License 2.0
• 2004 - Open Street Map (OSM)
• 2004 - GeoMapApp 1.1 released - TODO: Bill Haxby and Bill Ryan initial code in the late 90s.
• 2004 - Google acquires Keyhole Inc.
• 2004 - Start of cloud computing with Amazon Web Services (AWS)
• 2004 - Google MapReduce paper
• 2004 - gvSIG
• 2004 - GNU Data Language - Interactive Data Language (IDL)7 compatible
• 2005 - Submarine USS San Francisco grounds on a sea mount
• 2005 - git initial release
• 2005 - Google Maps launched
• 2005 - Mapping Hacks from O'Reilly books released
• 2006 - Fall AGU virtual globes session organized by John Bailey
• 2006 - OpenLayers initial release
• 2006 - NOAA Environmental Response Management Application (ERMA) started
• 2006 - Open Source Geospatial Foundation (OSGeo) founded
• 2006 - DJI formed to make drones
• 2006 - VisionWorkbench initial commit
• 2006 - Committee on the Support for Thinking Spatially (2006), National Academy of Sciences
• 2007 - First Google Earth release
• 2007 - Google MyMaps released
• 2007 - Infrastructure for Spatial Information in the European Community (INSPIRE)
• 2007 - USGS presents the USGS Test Sites Catalog with Committee on Earth Observation Satellites (CEOS)
• 2008 - GeoJSON specification
• 2008 - KML becomes OGC standard
• 2008 - SpatiaLite
• 2008 - EGM2008
• 2008 - Street View in Google Earth
• 2008 - Visual Thinking for Design by Colin Ware
• 2008 - GeoDjango merged into Django
• 2008 - Open Data Kit (ODK) founded
• 2008 - INaturalist launched
• 2008 - GeoEye-1 satellite launch
• 2009 - WorldView-2 satellite launch
• 2009 - The KML Handbook by Josie Wernecke published
• 2009 - CC0 license released
• 2009 - Silicon Graphics mostly dead
• 2009 - Rebeccca Moore proposes Earth Engine
• 2009 - Matt Hancher and Noel Gorelick start Google Earth Engine
• 2009 - Google Ocean released in Google Earth
• 2009 - NASA Kepler launched to find extra solar planets
• 2010 - Three.js initial release
• 2010 - OpenRefine initial release
• 2010 - Deepwater Horizon oil spill
• 2010 - Kurt Schwehr released the first version of libais (for DWH spill)
• 2010 - Planet Labs founded
• 2010 - Mapbox founded
• 2010 - Google paints a Siemens Star / spoke target on the roof in Mountain View, CA
• 2010 - Leaflet first commit
• 2011 - OpenROV started
• 2011 - Tōhoku earthquake and tsunami - Fukushima nuclear accident
• 2011 - Point Data Abstraction Library (PDAL) initial release
• 2011 - Earth Engine graduates from Google Labs to google.org
• 2011 - Visible Infrared Imaging Radiometer Suite (VIIRS) on Suomi NPP launched
• 2011 - IPython Notebook first release
• 2011 - Carto / CartoDB
• 2011 - Galileo (satellite navigation; GNSS) first launch. 2005 was a test satellite. Operational 2016
• 2011 - CalTopo founded
• 2011 - Pleiades 1 satellite launch
• 2011 - CesiumJS started
• 2012 - Pleiades 2 satellite launch
• 2012 - Apple Maps initial release
• 2012 - Earth Engine moves from Google.org to Google GEO PA
• 2012 - Earth Engine API starts
• 2012 - WhaleAlert released / presented to US Congress
• 2012 - Niantic Field Trip released
• 2012 - Michael Jones (MTJ) keynote talk - Google Chief Technology Advocate about the future of spatial
• 2013 - All the Ships - Google I/O talk about Geospatial in Google Cloud
• 2013 - Earth Engine Timelapse first release
• 2013-03 - What3Words
• 2013-06 - maplibre-gl-js first commit (as mapbox-gl-js)
• 2013-06 - geopandas first commit
• 2013-08 - xarray first commit
• 2014 - WorldView-3 satellite launch
• 2014 - Wolfram Mathematic Geographic Computation: GeoGraphics
• 2014 - Sentinel 1 first launch
• 2014-02 - GeoPackage
• 2014-10 - Open Location Code (OLC) - Google’s “Plus Codes”
• 2015 - Naval Postgraduate School, King Hall, Monterey, CA put a QR code on the roof
• 2015-01 - GDAL PSC switches chair to Even Rouault
• 2015-01 - Dask initial release
• 2015-02 - Project Jupyter founded
• 2015-02 - Google suggests Google Maps Engine users switch to ESRI - lost post by Michael T. Jones (mtj)
• 2015-04 - Apache Sedona first commit
• 2015-06 - Sentinel 2 first launch
• 2015-10 - GDAL PSC adds Kurt Schwehr
• 2015-11 - TensorFlow
• 2015-12 - Zarr python started
• 2016 - ROCKD crowd sourced geology app first released
• 2016-01 - deck.gl started
• 2016-05 - d3-geo started
• 2016-05 - Tensor Processing Unit (TPU)
• 2016-07 - Pokémon Go released
• 2016-09 - Global Fishing Watch launched
• 2017 - Earth Engine technical paper published
• 2017 - STAC Spec first commit
• 2017 - fieldkit founded
• 2017 - Conventional Commits specification started
• 2018 - Earth Engine public data catalog launched
• 2018-03 - kepler.gl first commit
• 2018-04 - Google ground first commit
• 2018-06 - PROJ RFC 1 ratified including Kurt Schwehr on PSC
• 2018-06 - Earth Engine Apps launch
• 2018-07 - DuckDB first commit
• 2018-09 - ICESat-2 satellite launched, as one of the two main spaceborne lidar missions currently in operation (the other being NASA's GEDI)
• 2018-12 - MovingPandas first commit
• 2018-12 - GEDI spaceborne lidar instrument launched
• 2019 - Earth Engine Cloud API alpha launched
• 2019 - Unfolded founded. 2021-05 bought and renamed to Foursquare Studio
• 2019-01 - Zarr spec started
• 2019-05 - GDAL RFC 73: Integration of PROJ6 for WKT2
• 2020 - Adobe Flash end-of-life (EOL)
• 2020-03 - geemap first commit
• 2020-04 - MS Planetary Computer announced
• 2020-04 - GeoArrow started
• 2021 - Pleiades Neo satellite launch
• 2021 - geoparquet spec first commit
• 2021 - felt.com founded
• 2021-05 - STAC Spec 1.0.0 released
• 2021-05 - TorchGeo
• 2021-10 - GitHub Copilot
• 2021 - Cloud Optimized Point Cloud (COPC) specification 1.0
• 2022-06 - Earth Engine github catalog created
• 2022-06 - Dynamic World dynamically updated land cover data launched
• 2022-06 - Earth Engine GA for commercial use in Google Cloud
• 2022-07 - EMIT hyperspectral instrument launched, as the first of NASA's two currently operating hyperspectral missions (the other being PACE)
• 2022-11 - ChatGPT first release
• 2023-06 - Earth Engine github catalog with STAC Jsonnet + checker launched ec323513
• 2023-10 - Overture Maps first commit -TODO fact check
• 2024 - Maxar Legion satellites launched
• 2024-02 - PACE satellite launched, becoming first civilian satellite to provide ~daily hyperspectral coverage of the entire globe
• 2024-05 - Clay 1.0 large earth foundation model from Made with Clay open source, open data
• 2024-08 - STAC Spec 1.1.0
• 2024-08 - STAC GeoParquet
• 2024-09 - EE Python client version 1.0 launched
• 2024-10 - IceChunk released
• 2024-11 - Mapping the ionosphere with millions of phones
• 2025-04 - Biomass satellite launched, as the world's first [civilian] P-band radar satellite
• 2026-05 - GeoLibre initial commit