On this day... September 17:

On this day...

September 17:  Constitution Day in the United States 1176 – Byzantine–Seljuk wars: The Seljuk Turksprevented the Byzantines from taking the interior ofAnatolia at the Battle of Myriokephalon in Phrygia. 1716 – French soldier Jean Thurel enlisted in theRégiment de Touraine at the age of 17, beginning a career of military service that would span 90 years. 1849 – American slave Harriet Tubman (pictured) escaped; she would become famous for orchestrating the rescues of more than 70 other slaves via the "Underground Railroad". 1914 – Andrew Fisher, whose previous term as Prime Minister of Australia oversaw a period of reform unmatched in the Commonwealth until the 1940s, became Prime Minister for the third time. 1939 – World War II: The Soviet Union invaded Poland from the east, sixteen days after Nazi Germany's attack on that country from the west.