Admitted into the Union
Grand Canyon National Park
Hoover Dam Constructed
Spring Training Begins
Space Exploration in Arizona
Arizona is admitted to the Union as the 48th state, which brings increased autonomy and representation to Arizona residents.
The Grand Canyon, one of the most amazing natural wonders in the world, became a national park under President Wilson.
Construction of the Hoover Dam is completed, providing hydroelectric power and facilitated irrigation, greatly impacting the Arizona’s economy and development.
Arizona becomes a popular place for Major League Baseball teams to have their spring training, a tradition that continues today.
During the age of space exploration, astronauts trained in places like Meteor Crater, and important space research centers and observatories are founded.
Historical Events: Arizona
February 14, 1912