Today in Comics History, May 5, 1942: Comic book story title displayed through the medium of smoke signals

from "Last Message from Corregidor" in Real Heroes #7 (Parents' Magazine Press, November 1942), creators uncredited and unknown

Today in Comics History, May 2, 1905: If you think I'm going to make a Helen Keller joke here you're sadly mistaken*

from "Helen Keller: Conquest of Darkness" in Real Heroes #13 (Parents' Magazine Press, March 1946), creators uncredited and unknown
*I can't even see myself doing it.