Arizona states of Sonora and Baja California. Arizona is the 48th state and last of the contiguous states to be admitted to the Union, achieving statehood on February 14, 1912, coinciding with Valentine's Day. Historically part of the territory of "Alta California" in New Spain, it became part of independent Mexico in 1821. After being defeated in the Mexican–American War, Mexico ceded much of this territory to the United States in 1848. The southernmost portion of the state was acquired in 1853 through the Gadsden Purchase. Southern Arizona is known for its desert climate, with very hot summers and mild winters.
48th New York State Legislature Note: There are now 62 counties in the State of New York. The counties which are not mentioned in this list had not yet been established, or sufficiently organized, the area being included in one or more of the abovementioned counties. The asterisk (*) denotes members of the previous Legislature who continued as members of this Legislature. Silas Bowker changed from the Senate to the Assembly. 48th New York State Legislature The 48th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 4 to April 21, 1825, during the