3rd World Science Fiction Convention

Denvention I, the 3rd World Science Fiction Convention
GenreScience fiction
Dates4–6 July 1941
VenueShirley-Savoy Hotel
Location(s)Denver, Colorado
CountryUnited States
Attendance90

The 3rd World Science Fiction Convention (Worldcon), also known as Denvention I, was held on 4–6 July 1941 at the Shirley-Savoy Hotel in Denver, Colorado, United States.