250 Years Ago This Month: war was starting
American Revolutionary War, specifically
April 18, 1775: Paul Revere's Midnight Ride
https://en.wikipedia.org/wiki/Paul_Revere%27s_midnight_ride
April 19, 1775: Battles of Lexington and Concord
https://en.wikipedia.org/wiki/Battles_of_Lexington_and_Concord
April 19, 1775: The 11-month Siege of Boston begins
https://en.wikipedia.org/wiki/Siege_of_Boston
April 20, 1775: Gunpowder Incident, Virginia
https://en.wikipedia.org/wiki/Gunpowder_Incident
When I was a kid, CBS had a running short feature called "A Bicentennial Minute" which always began, "Two hundred years ago today, ..." I was hoping they'd revive that this year but maybe spelling Semiquincentennial is too much.
edited to add: Ken Burns (Sarah Botstein, David Schmidt)'s six-part series "The American Revolution" is coming to PBS November 16, 2025
https://www.pbs.org/about/about-pbs/blogs/news/the-american-revolution-a-new-film-from-ken-burns-to-premiere-november-16-2025/