Garter Belts & Waspies Rebel Romance The oldest dildo could come from the Stone Age The oldest dildo in the world is approximately 28,000 years old. It was discovered in 2005 in Tbingen, Germany by archaeological researchers at the university there. It is eight inches long and " The 18th Century Dildo Found in a French Convent by Kaia Bell Actaeon Medium The 18th Century Dildo Found in a French Convent by Kaia Bell Actaeon Medium