Peanuts by Charles Schulz for December 21, 1961
Transcript:
Lucy says to Schroeder, "So you forgot Beethoven's birthday! Who cares?"<BR><BR> Lucy says, "What difference does it make? Who really cares? It's all so stupid!"<BR><BR> Lucy says, "You take these things too seriously, Schroeder . . ."<BR><BR> Lucy says, "Now if it had been my birthday you had forgotten . . ." Schroeder says, "Oh, good grief!"<BR><BR>
Suprised there was never a strip where this happens