#onThisDay in 1940 #TheGreekGod #Poseidon debuted in #FlashComics #9 helping #Hawkman85 defeat #DeepSeaWouldBeWorldConquerors #TheKogats in #TheSilverAge #DCComics have him try to swipe #Mera from #Aquaman also helps heal #WonderWoman after her battle w #Ares & meets #SeaDevils #MetalMen as #Neptune