Battle of Wilson’s Creek
On August 10, 1861, the first major battle in the Trans-Mississippi Theater of the Civil War was fought in Missouri.
Statehood
Pennsylvania Becomes 2nd State
On December 12, 1787, Pennsylvania was the second state to ratify the Constitution and be admitted to the Union.
Mississippi Becomes 20th State
On December 10, 1817, Mississippi was admitted to the Union as the 20th state.
Delaware Becomes America’s First State
On December 7, 1787, Delaware was the first state to ratify the U.S. Constitution, making it America’s first state.
Oklahoma Becomes 46th State
On November 16, 1907, Indian Territory and Oklahoma Territory were merged to create the state of Oklahoma.
Washington Becomes 42nd State
On November 11, 1889, Washington was admitted to the Union.
North and South Dakota Admitted to the Union
On November 2, 1889, North and South Dakota became our 39th and 40th states.
Nevada Becomes 36th State
On October 31, 1864, Abraham Lincoln admitted Nevada to the Union to aid in the Civil War.
Missouri Becomes 24th State
On August 10, 1821, President James Monroe signed legislation adding Missouri to the Union as our 24th state. When the U.S. took ownership of Missouri, most of the land had already been explored. Many communities had already been founded, and farming and mineral industries had been developed. Missouri was made a part of Upper Louisiana; then, in 1812, the Missouri Territory was organized.