from Doomsday Clock #7 (DC, November 2018), script by Geoff Johns, art by Gary Frank, design by Amie Brockway-Metcalf, colors by Brad Anderson, letters by Rob Leigh
...which, thanks to Geoff Johns' fetish for giving dates to historical but vague DC events, means that this happened today.
from All-Star Comics #3 (DC/All-American, Winter 1940), script by Gardner Fox, pencils and inks by E. E. Hibbard, aditional dialogue by yours little stuffed truly
So thanks, I guess, Geoff Johns, for making it canon that the first meeting of the Justice Society of America was on November 22, 1940. (Which was not Thanksgiving, but the Friday before it.)
from Doomsday Clock #10 (DC, July 2019), script by Geoff Johns, pencils and inks by Gary Frank, colors by Brad Anderson, letters by Rob Leigh
Which mean, then, that the following pages from Watchmen take place on November 1. Which therefore means that eveything in Watchmen issues 9, 10, and 11 also take place on November 1. At least, if you accept the above as canon, which, I guess, it technically is. (Which is the best kind of canon.)
from Watchmen #9 (DC, May 1987), script by Alan Moore; pencils, inks, and letters by Dave Gibbons, colors by John Higgins
On the other hand, Doc Manhattan could have travelled forward in time a couple days and then...eh, no. Too complicated to think about. November 1 it is.
from The Simpsons "I Love Lisa" (season 4, episode 15) (Gracie Films/20th Television, February 11, 1993), written by Frank Mula, directed by Wes Archer
from Doomsday Clock #7 (DC/Black Label, November 2018), script by Geoff Johns, pencils and inks by Gary Frank, colors by Brad Anderson, letters by Rob Leigh