Looks like something like that event is happening around here in two weeks. https://www.colorado.aaa.com/events/11th-annual-1940s-wwii-era-ball
Looks like something like that event is happening around here in two weeks. https://www.colorado.aaa.com/events/11th-annual-1940s-wwii-era-ball
It does look similar, though yours looks larger scale. I remember those Renaissance festivals from the time I lived in Phoenix. Not exactly the same but still themed.