Old memes? Kilroy was here way before.
I teach social studies and I always teach about Kilroy when talking about the war. The kids love learning about essentially prehistoric (in their eyes) memes.
I think you win sir
Check out the Sator Square, which has been found as early as 1st century BCE.
SATOR AREPO TENET OPERA ROTAS
Romanes eunt domus
Truly an OG meme
I am the modern man
Who hides behind a mask