1889 USA Oklahoma Land Rush
https://blog.newspapers.com/boomers-and-sooners-the-oklahoma-land-rush-of-1889/
1952 USA Live Atomic Bomb Test
https://lasvegassun.com/news/1952/apr/22/tv-audience-views-atomic-bomb-test-first-time/
1994 Richard Nixon dies
https://www.politico.com/story/2019/04/22/this-day-in-politics-april-22-1994-1283772
1889 USA Oklahoma Land Rush
https://blog.newspapers.com/boomers-and-sooners-the-oklahoma-land-rush-of-1889/
1952 USA Live Atomic Bomb Test
https://lasvegassun.com/news/1952/apr/22/tv-audience-views-atomic-bomb-test-first-time/
1994 Richard Nixon dies
https://www.politico.com/story/2019/04/22/this-day-in-politics-april-22-1994-1283772