| A | B |
| Hawaii | In 1900 this becomes the 49th state |
| McKinley | Assassinated in 1901 |
| Teddy Roosevelt | President in 1901 |
| anti-trust laws | stifles competition |
| Helen Keller | blind, deaf and mute girl is published |
| Marie Curie | won the Nobel Peace Prize for her work with radioactivity |
| Women's Suffrage | Women gained the right to vote |
| Lusitania | German's sunk this passenger ship killing 1,200 Americans-brought the US into WWI |
| San Fransisco Earthquake | 1906 earthquake250,000 left homeless |
| Orville and Wilbur Wright | Flew the first flight |
| ModelTCar | Ford's invention |
| William Howard Taft | President in 1908 |
| Thomas Edison | invented "talking" picture |
| Commander Peary | reached the North Pole |
| Jim Thorpe | won 2 gold medals in the Olympics |
| Woodrow Wilson | President in 1912 |
| Panama Canal | Canal built in 1913 |
| Alexander Graham Bell | Invented the telephone |
| Influenza | virus that killed 20 million people world wide |
| prohibition | alcohol was made illegal |