Antietam: Animated Battle Map
Why the open web links it
Recreates the Battle of Antietam with animated maps, showing troop movements and the battle's significance in U.S. history.
Linked by 4 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including listverse.com, battlefields.org, americasnationalparks.org, truthdead.com.
Cited in 1 Wikipedia article, including 23rd Ohio Infantry Regiment.