| DATE: | EVENT: |
| Aug. 1, 1870 | Colorado is the 38th state admitted to the Union. |
| Mar. 4, 1873 | Ulysses Grant is sworn in as President for a 2nd term. |
| Mar. 4, 1873 | Henry Wilson is sworn in as the 18th Vice President of the United States. |
| Mar. 4, 1877 | William Wheeler is sworn in as the 19th Vice President of the United States. |
| Mar. 5, 1877 | Rutherford Hayes is sworn in as the 19th President of the United States. |
| Mar. 4, 1881 | James Garfield is sworn in as the 20th President of the United States. |
| Mar. 4, 1881 | Chester Arthur is sworn in as the 20th Vice President of the United States. |
| Sep. 20, 1881 | Chester Arthur is sworn in as the 21st President of the United States. |
| Mar. 4, 1885 | Grover Cleveland is sworn in as the 22nd President of the United States. |
| Mar. 4, 1885 | Thomas Hendricks is sworn in as the 21st Vice President of the United States. |
| Mar. 4, 1889 | Benjamin Harrison is sworn in as the 23rd President of the United States. |
| Mar. 4, 1889 | Levi Morton is sworn in as the 22nd Vice President of the United States. |
| Nov. 2, 1889 | North Dakota is the 39th state admitted to the Union. |
| Nov. 2, 1889 | South Dakota is the 40th state admitted to the Union. |
| Nov. 11, 1889 | Washington is the 42nd state admitted to the Union. |
| Jul. 3, 1890 | Idaho is the 43rd state admitted to the Union. |
| Jul. 10, 1890 | Wyoming is the 44th state admitted to the Union. |
| Mar. 4, 1893 | Grover Cleveland is sworn in as the 24th President of the United States. |
| Mar. 4, 1893 | Adlai Stevenson is sworn in as the 23rd Vice President of the United States. |
| Jan. 4, 1896 | Utah is the 45th state admitted to the Union. |
| Mar. 4, 1897 | William McKinley is sworn in as the 25th President of the United States. |
| Mar. 4, 1897 | Garret Hobart is sworn in as the 24th Vice President of the United States. |
| Apr. 20, 1898 | The United States declares war on Spain. |
| May 1, 1898 | American forces win the Battle of Manila Bay. |
| Jul. 1, 1898 | American forces win the Battle of Santiago. |
| Jul. 7, 1898 | The United States annexes Hawaii. |
| Jul. 25, 1898 | American forces invade Puerto Rico. |
| Dec. 10, 1898 | The United States and Spain sign the Treaty of Paris 1898, officially ending the Spanish-American War. |
| Feb. 6, 1899 | The United States annexes Guam, the Philippines, and Puerto Rico. |