At the beginning of 1912, there were 46 states. The two more states were added to form 48:
New Mexico - January 6, 1912
Arizona - February 14, 1912
There were 48 US States.
There were 48 US States between 1912 and 1959.
Anywhere between 46 and 48.
48. New Mexico and Arizona were admitted in 1912. The last two, Alaska and Hawaii, joined the Union in 1959.
There were 46 states in 1909: Oklahoma was the 46th state, admitted November 16, 1907.
There were 48 states for the decade. No new states were added from 1912 (New Mexico, 47th and Arizona, 48th) to 1959 (Alaska, 49th and Hawaii, 50th).
Since the admission of the states of Alaska (49th) and Hawaii (50th) in 1959, there have been 50 states. Prior to that, the 48th state, Arizona, was added in 1912.
The flag of the United States of America had fourty-eight stars from 1912 until 1959.
There were 46 states before NM. NM became the 47th state on January 6th,1912.
15 states
The number of states in 1920 was 48. All of the currently recognized states had already joined the union except for Alaska and Hawaii.
The number of states in the United States in 1960 was 50. The last two states admitted were Alaska and Hawaii in 1959.