OpenHistoricalMap
ohm@mapstodon.space
<p>Explore the world throughout history – and local history, and prehistory. The <a href="https://mapstodon.space/tags/TimeMachine" class="mention hashtag" rel="tag">#<span>TimeMachine</span></a> of maps, created by people like you and dedicated to the <a href="https://mapstodon.space/tags/PublicDomain" class="mention hashtag" rel="tag">#<span>PublicDomain</span></a>. Charter project of <span class="h-card" translate="no"><a href="https://en.osm.town/@OpenStreetMapUS" class="u-url mention">@<span>OpenStreetMapUS</span></a></span> and companion to <span class="h-card" translate="no"><a href="https://en.osm.town/@openstreetmap" class="u-url mention">@<span>openstreetmap</span></a></span>.</p><p>Learn more: <a href="https://osm.wiki/OHM" target="_blank" rel="nofollow noopener" translate="no">
Posts
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Animated railway map within the former Kingdom of #Wurttemberg from 1845 to 2025, courtesy of Bauer33333 https://commons.wikimedia.org/wiki/File:Entwicklung_der_Eisenbahnen_in_W%C3%BCrttemberg.webm
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In April, the #OpenHistoricalMap community added 137,660 dated elements, 106,732 buildings, and 37,220¼ railroad miles. The average age of a dated element fell by almost 2 years, and the average year shifted 17 months later. All this with the help of 36 new contributors – welcome! https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics
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This is one of the largest increases in recent coverage we’ve ever seen, driven by an import of #GURS addresses in #Slovenia.
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RE: https://en.osm.town/@osm_tech/115968544599864782 This 😣
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In January, the #OpenHistoricalMap community added 65,731 dated elements, 9,668 buildings, and 15,303½ railroad miles. The average age of a dated element rose by more than 7 years, and the average year shifted more than 4 years earlier. All this with the help of 39 new contributors – welcome! https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics
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Help us make 2026 an historic year by participating in our first-ever donation drive! Your generous donation will go directly toward making #OpenHistoricalMap easier to use and contribute to and ensure that our services remain available and reliable as demand increases. Find out more about the #fundraiser and our plans for 2026 on the forum: https://forum.openhistoricalmap.org/t/donate-for-an-historic-2026/678 #donate
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A proof of concept for OpenHistoricalMap Americana simulates a road atlas at any point in the history of highway construction. Tour down #Route66 and the other highways that existed at the time. https://openstreetmap.us/events/mapping-usa/2026/history-hits-the-road/ https://forum.openhistoricalmap.org/t/openhistoricalmap-americana/667 #MappingUSA #roadgeek
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Mappers in or of North America, join us on March 4 for a #MappyHour hosted by @OpenStreetMapUS. RSVP today: https://openstreetmap.us/events/mappy-hours/2026/03/ohm-north-america/