That would be 4
Between 1820 and 1850, eight states were added to the Union: Maine (1820), Missouri (1821), Arkansas (1836), Michigan (1837), Florida (1845), Texas (1845), Iowa (1846), and Wisconsin (1848). Maine, Michigan, Iowa, and Wisconsin were free states, while Missouri, Arkansas, Florida, and Texas were slave states. This maintained the balance between free and slave states.
Florida was admitted into the Union on March 3, 1845 becoming the 27th state to join the Union. Texas was admitted into the Union on December 29, 1845 becoming the 28th state to join the Union. Iowa was admitted into the Union on December 28, 1846 becoming the 29th state to join the Union. Wisconsin was admitted into the Union on May 29, 1848 becoming the 30th state to join the Union.
Wisconsin, Iowa, Texas, and Florida were the last 4 states admitted into the union prior to 1850. Wisconsin was admitted into the Union on May 29, 1848 becoming the 30th state to join the Union. Iowa was admitted into the Union on December 28, 1846 becoming the 29th state to join the Union. Texas was admitted into the Union on December 29, 1845 becoming the 28th state to join the Union. Florida was admitted into the Union on March 3, 1845 becoming the 27th state to join the Union. California was admitted into the Union on September 9, 1850 becoming the 31st state to join the Union.
New Mexico was admitted into the Union on January 6, 1912 becoming the 47th state to join the union. Arizona was admitted into the Union on February 14, 1912 becoming the 48th state to join the Union.
The northern states did want Missouri admitted to the union as a slave state so as to balance the free slave trade.
West Virginia was admitted to the union of the United States of America on June 20, 1863.
Arizona
There is no limit to the number of states that may be admitted to the Union.
50 states have been admitted to the U.S. union.
Florida was admitted into the Union on March 3, 1845 becoming the 27th state to join the Union. Texas was admitted into the Union on December 29, 1845 becoming the 28th state to join the Union. Iowa was admitted into the Union on December 28, 1846 becoming the 29th state to join the Union. Wisconsin was admitted into the Union on May 29, 1848 becoming the 30th state to join the Union.
No states were admitted in 1800.
Ohio was admitted into the Union on March 1, 1803 becoming the 17th state to join the Union. It is the only state that was admitted into the union during 1801-1803.
The first state to be admitted to the Union of States was Delaware. Delaware was the first state to sign the Constitution of the United States.
no stats were admitted to the union between this time period.
America is the union. The Union refers to the union of states forming the United States of America.
Alaska was admitted into the Union on January 3, 1959 becoming the 49th state to join the Union. Hawaii was admitted into the Union on August 21, 1959 becoming the 50th state to join the union.
Arizona in 1912
Washington was admitted into the Union on November 11, 1889 becoming the 42nd state to join the Union. The eight states admitted into the Union after 1889 were Idaho (1890), Wyoming (1890), Utah (1896), Oklahoma (1907), New Mexico (1912), Arizona (1912), Alaska (1959), and Hawaii (1959).