To those brave defenders of the Alamo who gave their lives during the Battle of the Alamo, February 23 – March 6, 1836. I received an e-mail from the Texas State Historical Association – https://tshaonline.org/ mentioning the battle.
Wikipedia article: https://en.wikipedia.org/wiki/Battle_of_the_Alamo
Here’s YouTube search: https://www.youtube.com/results?search_query=battle+of+the+alamo.
There are plenty of books and movies on this battle.