Superman Timeline
| January 1933 | Jerry Siegel and Joe Shuster self-publish "The Reign of the Superman" Science Fiction: The Advance Guard of Future Civilization #3 (January 1933) |
| December 12, 1936 | First appearance of the name Jor-L "Federal Men" New Adventure Comics #12 (January 1937) |
| April 18, 1938 | Action Comics #1 is copyrighted. First appearance of Superman, Clark Kent, Lois "The Coming of Superman" Action Comics #1 (June 1938) |
| November 25, 1938 | First appearance of the word kryptonite Action Comics #8 (January 1939) |
| January 16, 1939 | Superman newspaper strip debuts. First appearance of Jor-L and Lora "A Job for Superman" |
| May 18, 1939 | First apparance of the name Krypton, first appearance of the Kents "Origin of Superman" Superman #1 (Summer 1939) |
| November 13, 1939 | First appearance of Daily Planet "Underworld Politics" Superman newspaper strip |
| February 12, 1940 | The Adventures of Superman radio series first aired on WOR 710 in New York City |
| July 3, 1940 | "Superman Day" is held at the New York World's Fair |
| November 21, 1940 | The first Superman balloon debuts in the Macy's Thanksgiving Day Parade |
| May 7, 1941 | Superman flies in the comics "Zimba's Gold Badge Terrorists" Superman #11 (July–August 1941) |
| June 3, 1943 | First appearance of kryptonite on radio The Adventures of Superman, "The Meteor from Krypton, Part One" |
| November 11, 1944 | First appearance of Superboy "The Origin of Superboy" More Fun Comics #101 (January–February 1945) |
| January 5, 1948 | Superman serial released by Columbia Pictures |
| May 3, 1948 | First naming of John and Mary Kent "The Origin of Superman!" Superman #53 (July–August 1951) |
| August 8, 1948 | First appearance of red kryptonite in comics "Superman Returns to Krypton!" Superman #61 (November–December 1949) |
| July 20, 1950 | Atom Man vs. Superman is released by Columbia Pictures |
| August 15, 1951 | First appearance of green kryptonite in comics "Exit – Superman!" Action Comics #161 (October 1951) |
| November 23, 1951 | Superman and the Mole Men released by Lippert Pictures |
| September 19, 1952 | Adventures of Superman premieres in syndication |
| 1954 | Stamp Day for Superman is released by the U.S. Department of the Treasury |
| April 6, 1956 | First appearance of kryptonite in newspaper "Big Boy" Superman newspaper strip |
| November 24, 1956 | The second Superman balloon debuts in the Macy's Thanksgiving Day Parade |
| March 31, 1959 | First appearance of Supergirl "The Supergirl from Krypton!" Action Comics #252 (May 1959) |
| March 29, 1966 | It's a Bird... It's a Plane... It's Superman opens on Broadway |
| December 15, 1978 | Superman: The Movie is released by Warner Bros. |
| January 31, 1978 | Superman vs. Muhammad Ali All-New Collectors' Edition #C-56 (March 1978) |
| June 19, 1981 | Superman II is released by Warner Bros. |
| June 17, 1983 | Superman III is released by Warner Bros. |
| November 21, 1984 | Supergirl is released by Tri-Star Pictures |
| November 28, 1985 | The third Superman balloon debuts in the Macy's Thanksgiving Day Parade |
| June 17, 1986 | First appearance of post-Crisis Superman "Epilogue: The Super-Hero" The Man of Steel #1 (October 1986) |
| July 24, 1987 | Superman IV: The Quest for Peace is released by Warner Bros. |
| October 8, 1988 | Superboy premieres in syndication |
| November 19, 1992 | "The Death of Superman" Superman #75 (January 1993) |
| April 15, 1993 | Superman returns from death "Life After Death!" The Adventures of Superman #500 (Early June 1993) |
| September 12, 1993 | Lois & Clark: The New Adventures of Superman premieres on ABC |
| October 7, 1996 | Lois Lane and Clark Kent are married Superman: The Wedding Album #1 (December 1996) |
| September 6, 1996 | Superman: The Animated Series premieres on Kids' WB |
| October 16, 2001 | Smallville premieres on The WB |
| June 28, 2006 | Superman Returns is released by Warner Bros. Pictures |
| June 14, 2013 | Man of Steel is released by Warner Bros. Pictures |
| May 6, 2015 | First appearance of Jonathan Samuel Kent "Divergence Doomed" Convergence Superman #2 (July 2015) |
| October 26, 2015 | Supergirl premieres on CBS |
| March 25, 2016 | Batman v Superman: Dawn of Justice is released by Warner Bros. Pictures |
| November 17, 2017 | Justice League is released by Warner Bros. Pictures |
| February 23, 2021 | Superman & Lois premieres on The CW |