| A | B |
|---|
| 1st flight by Wright brothers | 1900s |
| World War I | 1910 |
| 19th amendment passed -women's vote | 1920 |
| Charles Lindbergh flight across Atlantic | 1920 |
| Great Depression | 1930 |
| Dust Bowl | 1930 |
| Pearl Harbor bombed by Japan | 1940 |
| US enters WW II | 1940 |
| Korean War | 1950 |
| Berlin wall built | 1960 |
| Vietnam War & protests | 1960 |
| President Kennedy assassinated | 1960 |
| Civil Rights Act passed | 1960 |
| Martin Luther King assassinated | 1960 |
| Space race, 1st man (Neil Armstrong) on moon | 1960 |
| Women's rights movement | 1970 |
| Watergate/ President Nixon resigns | 1970 |
| Fall of Berlin wall | 1980 |
| Arms Reduction Treaty | 1980 |
| Gulf War Desert Storm | 1990 |
| End of Cold War | 1990 |
| September 11th attack on WTC & Pentagon | 2000 |
| War on Terror | 2000 |
