| Years in comics |
|---|
| Before the 1900s |
| 1900s |
| 1910s |
| 1920s |
| 1930s |
| 1940s |
| 1950s |
| 1960s |
| 1970s |
| 1980s |
| 1990s |
| 2000s |
| 2010s |
| 2020s |
Notable events of 1939 in comics.
Superman's runaway popularity as part of Action Comics earned him his own comic. This was a real breakthrough for the time, as characters introduced in comic books had never before been so successful as to warrant their own titles.