Noreascon I
1971 CE.
Shown on the map at 42.347°, -71.084°.
The 29th World Science Fiction Convention (Worldcon), also known as Noreascon I, was held on 2–6 September 1971 at the Sheraton-Boston Hotel in Boston, Massachusetts, United States. The chairman was Tony Lewis.
Text from the Wikipedia article 29th World Science Fiction Convention, licensed CC BY-SA 4.0.