When was the team that won the 1981-82 Turkish First Football League championship founded?
1981–82 1.Lig: The 1981-82 Turkish First Football League season saw 17 teams in competition. 1981–82 1.Lig:  Beşiktaş J.K. won the championship. Beşiktaş J.K.: Beşiktaş Jimnastik Kulübü (] , English: Beşiktaş Gymnastics Club ), known as simply Beşiktaş (pronounced: "Beshiktash"), is a Turkish sports club founded in 1903, and based in the Beşiktaş district of Istanbul.
1903