The Colombian Army countering a Peruvian attack during the Colombia–Peru War
Japanese naval landing forces blasting Chinese pillbox and marching during the Canton Operation in 1938.
German dictator Adolf Hitler (right) and Italian dictator Benito Mussolini (left) pursue agendas of territorial expansion for their countries in the 1930s, eventually leading to the outbreak of World War II in 1939.
Marvel Comics #1 (Oct. 1939), the first comic from Marvel precursor Timely Comics. Cover art by Frank R. Paul.
The Fantastic Four #1 (Nov. 1961). Cover art by Jack Kirby (penciler) and unconfirmed inker.
The Avengers #4 (March 1964), with (from left to right), the Wasp, Giant-Man, Captain America, Iron Man, Thor and (inset) the Sub-Mariner. Cover art by Jack Kirby and George Roussos.
Howard the Duck #8 (Jan. 1977). Cover art by Gene Colan and Steve Leialoha