The Surprising History of Dildos: Humans Have Been Using Them for Over 28,000 Years Escante Lace Garter Belt. Jeweled Thong & Hose Belle Lacet Lingerie 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 " Remember that ancient Roman dildo? It might just be an old Roman drop spindle Ars Technica