Comic Title: Supergirl #20
Publisher: DC (DC Comics Inc.)
Address: 666 Fifth Avenue, New York, NY
Cover Date: June 1984
On Sale Date: March 22, 1984 Newsstand Date March 22, 1984
Source: DC Releases, #1

Newsstand Date March 22, 1984
Source: Comic Reader, #217

Newsstand Date March 22, 1984
Source: Amazing Heroes, #42

Shipping Date February 28, 1984
Source: Comic Reader, #217

Shipping Date February 28, 1984
Source: DC Releases, #1

Shipping Date February 28, 1984
Source: Comics Journal, #87

Copyright Date February 28, 1984
Source: Library of Congress, Copyright Office 1984
DC publication dates beyond April 1981 listed by the LoC
represent shipping dates NOT newsstand sale dates

Shipping Date February 28, 1984
Source: Amazing Heroes, #42

Frequency: Monthly
Cover Price: $0.75
Page Count: 32
Editor: Julius Schwartz

Title: "Celebration"
Pages: 23

Feature(s):
Supergirl (of Earth-1)

Writer: Paul Kupperberg
Penciller: Carmine Infantino
Inker: Robert Oksner
Letterer: Rod G. Ollerenshaw
Colorist: Eugene D'Angelo

Reprinted In:
Daring New Adventures of Supergirl Vol. 2 TPB (2017)

Feature Character(s)

• Supergirl (last appearance in Action Comics #555; next appearance in Justice League of America #231)

Guest Star(s)

• Superman (last appearance in Action Comics #555; next appearance in World's Finest Comics #303)
• Justice League of America (last appearance in Saga of Swamp Thing #24; next appearance in Justice League of America #228)
• Wonder Woman (last appearance in Saga of Swamp Thing #24; next appearance in Justice League of America #231)
• Flash (last appearance in Saga of Swamp Thing #24; next appearance in Justice League of America #231)
• Green Lantern (last appearance in Saga of Swamp Thing #24; next appearance in Green Lantern #178)
• Aquaman (last appearance in Saga of Swamp Thing #24; next appearance in Justice League of America #228)
• Green Arrow (last appearance in Saga of Swamp Thing #24; next appearance in Detective Comics #538)
• Atom (last appearance in Justice League of America #227; next appearance in Sword of the Atom Special #1)
• Hawkman (last appearance in Saga of Swamp Thing #24; next appearance in Justice League of America #228)
• Black Canary (last appearance in Justice League of America #227; next appearance in Justice League of America #228)
• Elongated Man (last appearance in Justice League of America #227; next appearance in Justice League of America #228)
• Red Tornado (last appearance in Justice League of America #227; next appearance in Justice League of America #228)
• Zatanna (last appearance in Saga of Swamp Thing #24; next appearance in Justice League of America #228)
• Firestorm (last appearance in Saga of Swamp Thing #24; next appearance in Fury of Firestorm #24)
• Martin Stein (last appearance in Saga of Swamp Thing #24; next appearance in Fury of Firestorm #24)
• Teen Titans (last appearance in Tales of the Teen Titans #41; next appearance in Tales of the Teen Titans #42)
• Wonder Girl (last appearance in Tales of the Teen Titans #41; next appearance in Tales of the Teen Titans #42)
• Beast Boy/Changeling (last appearance in Tales of the Teen Titans #41; next appearance in Tales of the Teen Titans #42)
• Cyborg (last appearance in Tales of the Teen Titans #41; next appearance in Tales of the Teen Titans #42)
• Starfire (last appearance in Tales of the Teen Titans #41; next appearance in Tales of the Teen Titans #42)
• Terra (last appearance in Tales of the Teen Titans #41; next appearance in Tales of the Teen Titans #42)