State Flags February 14th, 2016 Happy Birthday Arizona! Today commemorates the day that Arizona was officially admitted into the Union. On February 14, 1912, Arizona became the 48th state. Arizona celebrates 104 years of statehood today! Tags: arizona arizonaflag stateflag 0 Comment fadmin Related posts December 18, 2016 Happy Birthday New Jersey!! June 25, 2016 Happy Birthday Virginia! July 26, 2016 New York Birthday!