The Calgary White Hat is a white felt cowboy hat which is the symbol of both the Calgary Stampede annual rodeo and the city of Calgary. Created by Morris Shumiatcher, owner of Smithbilt Hat Company, it was worn for the first time at the 1946 Stampede. In the early 1950s, Mayor of Calgary Donald Hugh Mackay began presenting the white hat to visiting dignitaries, a tradition that the mayor's office continues to this day. Thousands of tourists and groups also participate in "white hatting ceremonies" conducted by Tourism Calgary and by volunteer greeters at the Calgary International Airport. In 1983, the Calgary White Hat was incorporated into the design of the flag of Calgary.