Years
Presidents
States
100

Neil Armstrong planted the American flag on the moon in this year

1969

100

Two presidents died on July 4, 1826: Thomas Jefferson and this president

John Adams

100

This is the largest state

Alaska

200

The 19th Amendment, giving women the right to vote in the US, was ratified in this year

1920

200

Both Lincoln and Kennedy were succeeded by presidents with this last name

Johnson

200

The 4 Corners, where 4 states meet at a single point, is formed by the borders of Arizona, New Mexico, Utah, and this state

Colorado

300

The Battle of Yorktown ended the American Revolution in this year

1783

300

This president served the longest term without ever being elected or re-elected

Gerald Ford

300

This state touches 4 of the 5 Great Lakes

Michigan

400

The US entered WWII in this year

1941

400

Second only to Virginia in the number of presidents born, this state is the birthplace of seven US presidents

Ohio

400

This state borders 8 states, more than any other

Tennessee

500

Lincoln gave the Emancipation Proclamation in this year

1862

500

This president never married. Thus, his niece acted as his First Lady

James Buchanan

500

Most states are divided into counties, except Louisiana, which is divided into these

Parishes