not only this is true across different cultures, but also throughout history.
1800 years old Roman penis carving near the Hadrian's wall
https://www.militarytimes.com/resizer/1V8zCb1tPjuWr0elUXTJhd...
1700 years old penis graffiti in ancient Rome
https://i0.wp.com/hyperallergic-newspack.s3.amazonaws.com/up...
Priapus weighting his dick in Pompei
https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.X...
Penis Parinirvana, Edo Japanese scroll
https://media.britishmuseum.org/media/Repository/Documents/2...
Phallic Fertility in the Ancient Near East and Egypt
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRoS-c0...
winged penis in ancient India
https://www.michaellaird.com/pictures/3217_4.jpg?v=160027396...
and so on