The city of Tallinn, Estonia was settled in 1050, when the townspeople built an enormous wooden fortress to defend themselves against King… — The city of Tallinn, Estonia was settled in 1050, when the townspeople built an enormous wooden fortress to defend themselves against King Valdemar II of Denmark. It didn’t work. They lost. The area succumbed again to invaders during The Baltic Crusades, a brutal military campaign organized by Catholic popes to…