When on earth was the wheel invented?

"The evidence of wheeled vehicles appeared in the second half of the 4th century BC, almost simultaneously in Mesopotamia (Sumerian civilization), the North Caucasus (Mekop culture) and Central Europe, so the question of which culture invented wheeled vehicles in the first place has not been solved."

Patents were invented at some time in the Middle Ages-probably around AD 1450-* * * Patents: History.

Therefore, at the time of the invention patent, the wheel was already a well-known invention.

Most current patent systems allow people to obtain patents for new things or novelty. Wheels are nothing new. You can't apply for a patent for anything known or described in any public form (books, magazines, websites, etc.). ).

Why is the invention of the wheel so important?

The wheel is usually described as the most important invention of all time-it has had a fundamental impact on transportation and later agriculture and industry. ... soon, it became common for wheels to rotate around a fixed axis. Around 2000 BC, the wheel with spokes was first made, which made the wheel lighter and the vehicle faster.

For example, before the invention of the wheel, people had to walk, carry heavy things and cross the sea by boat.