April 30 1812
It became the 18th US State on April 30th, 1812.
North Dakota became a U.S. state on November 2, 1889.
Pennsyvania December 7 1787
There is no US State south of Louisiana, Louisiana is on the Gulf of Mexico
· Louisiana is the only US state that begins with the letter L.
what number did Louisiana become a state in the US whoever put this is stupid: Louisiana was the 18th state
No Louisiana was the 18th US State.
Louisiana
Louisiana
James Madison who was the Secretary of State when the Louisiana Purchase was made.
It became the 13th US State on 29 May 1790.
It became the 18th US State.It is 25th in population (2010)It ranks 31st among the US states in area.