1940s World War II Era Ball is an annual historical reenactment event in Boulder, Colorado.
[1][2][3] The event is a ball, which features swing music from the 1940s and impersonators of musicians and entertainers such as Bob Hope, Frank Sinatra, Marilyn Monroe, Judy Garland and the Andrews Sisters.
[4][5] The ball is held in a hangar at the Boulder Airport and features World War II-era airplanes including C-45 Expeditors and B-25 Mitchells.
[7] Net proceeds from the event are donated to local charities including those that support World War II veterans and the preservation of aviation history.
The theme was "Our Troops Bring Home Paradise: A Tiki Explosion" and included car shows, film screenings and other events.