Year |
Date |
Convention |
Size |
Location |
Notes
|
1936 |
October 22 |
First Convention |
12–18 |
Philadelphia |
later called the First Eastern
|
|
1937 |
January 3 |
Other First Convention |
~20 |
Leeds, UK |
|
February 21 |
Second Eastern |
30–40 |
New York |
|
October 30 |
Third Eastern |
~30 |
Philadelphia |
|
|
1938 |
April 10 |
Second British Convention |
43 |
London |
called Necronomicon in '57
|
May 29 |
Newark Convention |
>100 |
Newark, NJ |
aka Fourth Eastern aka First National
|
October 16 |
1938 Philadelphia Conference |
> 25 |
Philadelphia |
|
|
1939 |
May 21 |
Third British Convention |
~40 |
London |
|
July 2–4 |
NyCon |
150–200 |
New York |
the first Worldcon
|
Fall |
Philcon 1939 |
|
Philadelphia |
|
Early June |
OSA Pow-Wow |
3 |
Tulsa, OK |
Oklahoma state convention
|
|
1940 |
Early 1940 |
Washington Confabulation 1 |
3 |
Washington, DC |
|
April |
Third Chicago Conference |
4 |
Chicago |
|
September 1–2 |
Chicon |
128 |
Chicago |
|
November 10 |
Phillycon 1940 |
|
Philadelphia |
|
December 6 |
First Sydney Conference |
10 |
Sydney, NSW, Australia |
|
|
1941 |
Late February |
Boskone I |
~25 |
Winchester, MA |
at the Swishers’ home
|
April 6 |
Second Sydney Conference |
~12 |
Sydney, NSW, Australia |
|
May 4 |
All-Eastern Science Fiction Conference |
|
Newark, NJ |
May not have been held
|
Summer |
Washington Confabulation 2 |
6? |
Washington, DC |
issued Washington Manifesto
|
July 4–6 |
Denvention |
~100 |
Denver |
|
September 20–21 |
Bombcon |
13 |
London |
|
November 16 |
1941 Michiconference |
|
Jackson, MI |
|
|
1942 |
January |
PhilCo 1942 |
|
Philadelphia |
Belatedly announced, called off in favor of Boskone II
|
January 4 |
Third Sydney Conference |
8 |
Sydney, NSW, Australia |
|
February 22 |
Boskone II |
25 |
Boston, MA |
|
September 27 |
1942 Michiconference |
~25 |
Jackson, MI |
|
November 22 |
Bloomington Conference |
9 |
Bloomington, IL |
possibly a poker game
|
November 29 |
Hastings S-F Conference |
v. small |
Hastings, MN |
possibly a drinking party
|
Late 1942 |
Pacificon Jr. |
|
Los Angeles |
|
|
1943 |
February 28 |
Boskone III |
14 |
Boston, MA |
|
Spring |
Live Oak Conference |
3 |
Live Oak, FL |
A Cosmic Circle event
|
April 23–26 |
Midvention |
14 |
Leicester, UK |
i. e. over Easter
|
April 26–27 |
Midgicon ("Midget Chicon") |
8 |
Chicago |
Al Ashley et al. on bookbuying spree, moots Slan Center
|
May 16 |
Staplecon 1 |
~12 |
San Francisco |
|
June 26/28–July 1 |
Mainecon or Maine Stf Conference |
3 |
Rockland, ME |
Art Widner, Russ Chauvenet bike to Norm Stanley’s
|
Early July |
Mainecon, Jr. |
2 |
Rockland again |
visit by Claude Degler
|
Mid-1943 |
Schenectacon |
2-4 |
Schenectady, NY |
|
October 30 |
1943 Michiconference |
22 |
Battle Creek, MI |
|
November 21 |
Staplecon 2 |
|
San Francisco |
|
"Around the end" of 1943 |
Fancon |
|
Bloomington, IL |
|
Late 1943? |
Councilcon |
|
Newcastle, IN |
Possibly occurred only in Claude Degler’s imagination
|
December 31, 1943–January 2, 1944 |
Norcon |
small |
Manchester, UK |
|
|
1944 |
April 8–9 |
Eastercon |
|
London |
|
May 28 |
Staplecon 3 |
9 |
San Francisco |
|
June 17–19 |
Michicon 4 |
23 |
Battle Creek, MI |
|
August 27 |
Dovention |
11 |
Dover, NJ |
|
September 1–2 |
Midvention 2 |
6–8 |
Leicester, UK |
or "Midventionette"
|
October 7–9 |
Little Chicon |
"small" |
Chicago |
|
? |
Bufflocon |
|
Buffalo, NY |
Slan Shack visiting Ken Krueger
|
December 29, 1944–January 1, 1945 |
Norcon 2 |
small |
Manchester, UK |
Announced — did it occur?
|
|
1945 |
February 3–4 |
Boskone IV |
5 |
Winchester, MA |
at the Swishers’ home
|
July 7–8 |
1945 Michiconference |
15-20 |
Battle Creek, MI |
|
September 2 |
Boskone V |
9 |
Salem, MA |
AKA First New England SF Conference
|
|
1946 |
March 3 |
FPWESFC |
|
Newark, NJ |
|
April 6–7 |
First Post-Radar-Contact-with-the-Moon Con |
16 |
Chicago |
|
July 4–7 |
Pacificon |
130 |
Los Angeles |
|
October 12–13 |
Centracon |
25 |
Chicago |
|
October 27 |
Phillycon 1946 |
|
Philadelphia |
|