July 28 is Buffalo Soldier's Day:
https://www.army.mil/article/248832/hon ... ldiers_day
https://veteran.com/buffalo-soldiers-day/
https://www.presidency.ucsb.edu/documen ... s-day-1992
https://en.wikipedia.org/wiki/Buffalo_Soldier
https://www.history.com/topics/19th-cen ... o-soldiers