 The Fly-In has operated annually since 1969 and is the third-largest event of its kind in the United States, with over 50,000 visitors and 1,600 planes participating.The Downtown Arlington Business Association hosts several annual events in downtown Arlington, including a car show in June, a street fair on Olympic Avenue in July, and a Viking festival in October.Legion Park hosts a weekend farmers' market from June to September and is also used as a staging ground for holiday parades.