Delaware, one of the thirteen colonies, gained its distinction as the "First State" when it was the first to ratify the Constitution on December 7, 1787.
In September 1787, the US Constitution was signed in Philadelphia and on December 12, 1787, Pennsylvania, one of the thirteen colonies, became the second state.
New Jersey, one of the thirteen colonies, became the third state on December 18, 1787.
Georgia, one of the thirteen colonies, ratified the US Constitution on January 2, 1788, becoming the fourth state to do so; it joined the Confederacy on January 19, 1861, and re-entered the Union after the Civil War.
Connecticut, one of the thirteen colonies, became the fifth state on January 9, 1788.
Originally part of the thirteen colonies, Massachusetts became a state on February 6, 1788
Maryland became the seventh state on April 28, 1788. During the Civil War, President Abraham Lincoln placed Maryland under military control.
South Carolina, one of the thirteen colonies, became the eighth state on May 23, 1788. On December 20, 1860, South Carolina became the first state to secede form the Union. It re- entered after the Civil War.
In a sense, New Hampshire, originally one of the thirteen colonies, "created" the new nation by becoming the ninth state on June 21, 1788, meeting the requirement for nine states to ratify the Constitution.
Virginia one of the thirteen colonies, became the 10th state on June 25, 1788. Richmond became the capital of the Confederacy on May 29, 1861, but re-entered the Union after the war.
On July 26, 1788, New York , one of the thirteen colonies, became the 11th state.
North Carolina, one of the thirteen colonies, became the 12th state on November 21, 1789. North Carolina troops suffered the greatest losses of all the states during the Civil War while fighting for the Confederacy,