| Event | President |
| The Battle of the Little Bighorn occurred | |
| The Space Shuttle Challenger exploded | |
| The Vietnam War began | |
| The day that Elvis Presley died | |
| Atomic bombs are dropped on Hiroshima and Nagasaki | |
| The day Princess Diana died | |
| When Texas became the 28th state of the union | |
| The Berlin Wall came down | |
| The Chicago Cubs last won the World Series | |
| NASA first landed a man on the moon | |
| The Second Battle of Bull Run occurred | |
| The Black Tuesday Stock Market crash occurred | |
| The Hindenburg disaster occurred | |
| The Titanic sank | |
| Harvard Law School founded | |
| The Battle of the Alamo | |
| Thomas Edison invented light bulb | |
| John Glenn first orbited the Earth | |