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.
The convention was chaired by Olon F. Wiggins.
This was the last Worldcon before a five-year break in the annual tradition due to World War II.
Savoy Hotel opened in 1904; Shirley Hotel opened in 1903; Hotels joined in 1919; Hotels razed in 1970.
This article about science fiction conventions is a stub.