Who invented speed dating
Salvino D'Armate probably invented eyeglasses in around 1285, though various sources suggest an earlier origin.
In 1451 Nicholas of Cusa in Germany produced eyeglasses to aid people who were near-sighted using concave lenses that were thinner at the center and thicker at the ends.
They also made large mechanical puppet theatres driven by waterwheels and carriage wheels and wine-serving automatons driven by paddle wheel boats.
Some of the first inventions of Neolithic China include semilunar and rectangular stone knives, stone hoes and spades, the cultivation of millet, rice, and the soybean, the refinement of sericulture, the building of rammed earth structures with lime-plastered house floors, the creation of pottery with cord-mat-basket designs, the creation of pottery tripods and pottery steamers and the development of ceremonial vessels and scapulimancy for purposes of divination. With later inventions such as the multiple-tube seed drill and heavy moldboard iron plough, China's agricultural output could sustain a much larger population.
There are many dilemmas about invention of glasses.
According to some sources the invention of the first wearable pair of eyeglasses occurred in the 13th century in Italy.
No one really knows how old the ancient stick ball sports are for sure.