Admission Day: Arkansas by GBTribeNOW | Jul 18, 2017 Calendar When: June 15, 2017 all-day Repeats 2017-06-15T00:00:00-06:00 2017-06-16T00:00:00-06:00 Where: http://www.arhistoryhub.com/ Arkansas was admitted as the 25th state in the Union on June 15, 1836.