Worldcon

It all started at Worldcon: Myrtle "Morojo" Douglas and Forrest J. Ackerman in the first known hall costumes at the 1939 NYCon 1 Worldcon.


1939 Worldcon


1950s Worldcon


1960s Worldcon


1970s Worldcon


1980s Worldcon


1990s Worldcon


2000s worldcon=


2010s Worldcon


2020s Worldcon