Today in Comics History, May 29: Barry Delmar enters his blue period

from "The 12 Faces of Crime!" in Gang Busters #39 (DC, April 1954), pencils and inks by Leonard Starr

Today in Comics History, May 29, 1919: Jupiter aligns with Mars

from "Scoops...Pictures to Remember" in Real Fact Comics #1 (DC, March), pencils and inks by George Roussos

Today in Comics History, May 29, 1898: Ben Grimm Construction is founded

from "The Hero of Santiago" in Real Life Comics #5 (Pines, May 1942), creators uncredited and unknown

Today in Comics History, May 29, 1988: Fish head objects to being throw out with the Daily Bugle

from "Drug War Rages" in Amazing Spider-Man Annual (1964 series) #22 (Marvel, September 1988), plot by Tom DeFalco, script by David Michelinie, pencils by Mark Bagley, inks by Mike Esposito, colors by Bob Sharen, letters by Rick Parker
The following is from slightly later in the same annual, so it's probably from May 30, but there's no date on the paper, so I won't place it on that day. I'm just including it here to remind you that newspapers don't look like that!

Today in Comics History, May 29, 1942: Newest Downfall viral video: Hitler is annoyed his German newspaper is in English

from Fables: Werewolves of the Heartland graphic novel (DC, November 2012); script by Bill Willingham; layouts and pencils by Jim Fern; pencils by Craig Hamilton; inks by Craig Hamilton, Ray Snyder, Mark Farmer and Jim Fern; colors by Lee Loughridge; letters by Todd Klein