Portal:United States/Anniversaries/January/January 9
- 1788 – Connecticut becomes the fifth state to be admitted to the United States.
- 1863 – The Battle of Fort Hindman, part of the Vicksburg Campaign of the Civil War begins in Arkansas.
- 1894 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard in Lexington, Massachusetts.
- 1913 – Richard Nixon, 37th President of the United States, is born.
- 1945 – The United States invades Luzon (pictured) in the Philippines as part of the Pacific Theater of Operations of World War II.
- 1991 – Representatives from the United States and Iraq meet at the Geneva Peace Conference to try to find a peaceful resolution to the Iraqi invasion and occupation of Kuwait.