OpenHistoricalMap<p>OpenHistoricalMap turns 15 this week, right before OpenStreetMap turns 20! We’d say time flies, but that would be no fun, because we prefer to map what’s on the ground.</p><p><a href="https://forum.openhistoricalmap.org/t/happy-birthday-openhistoricalmap/263" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">forum.openhistoricalmap.org/t/</span><span class="invisible">happy-birthday-openhistoricalmap/263</span></a></p><p><a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> <a href="https://mapstodon.space/tags/OnTheGroundRule" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OnTheGroundRule</span></a> <a href="https://mapstodon.space/tags/OSM20" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OSM20</span></a> <a href="https://mapstodon.space/tags/BirthdayBuddies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BirthdayBuddies</span></a></p>