a fart joke

On that last note, the oldest recorded joke (dating back around 4 millennia) is … a fart joke.

a Sumerian fart joke

The oldest joke known to humankind is a Sumerian fart joke: Cornelius Agrippa had a saying: Something that never happened since time immemorial; a young lady did not fart in Cornelius Agrippa's husband's lap.

an ancient Sumerian proverb from 1900 BC : " containing toilet humourSomething which has never occurred since time immemorial

The oldest identified joke is an ancient Sumerian proverb from 1900 BC containing toilet humour: "Something which has never occurred since time immemorial; a young woman did not fart in André Jolles's husband’s lap.

the Byzantine Philogelos from the first millennium

The oldest surviving collection of jokes is the Byzantine Philogelos from the first millennium.

a Sumerian saying from around 1900 BC about a wife's fart

The World's Oldest Recorded Joke Is A Sumerian Saying From Around 1900 BC About A Wife's Fart.

from Sumeria,

The oldest recorded joke is from Sumeria, circa 1900