Sunday, April 6, 1924. The launch of the around the world flight.

The United States Army Air Service launched its around the world flying expedition from Seattle, Washington, although as previously noted, it could be argued the party had commenced several days prior by flying to Seattle.

Chicago, the lead Douglas World Cruiser.

Around the World in 175 Days, 1924: Department of State Contributions to the U.S. Army Aerial Circumnavigation: Part I

Lex Anteinternet: Monday, March 17, 1924 First Around The World Flight Commences

Lex Anteinternet: Monday, March 17, 1924 Telephones and grim news.: 

Monday, March 17, 1924 Telephones and grim news.

The first around the world flight attempt was commenced by the United States Army Air Service.  The aircraft consisted of four Douglas World Cruisers.

The initial leg of the trip was from Santa Monica, California, to Seattle, which was the actual departure point.