The ancient Egyptians are believed to be the first to invent a four-legged seat with a back, better known to most as a chair. The earliest examples have been found in tombs dating as far back as 2680 B.C.Know More
The first chairs were low to the ground, ornately carved, and reserved for royalty and members of the priesthood. During the Renaissance, chairs became lighter and more varied in style. As life became more social, chairs became more prevalent.
By the 1800s, most American households had enough chairs for every family member. However, it wasn't until the 1900s that designers looked beyond the ancient materials of wood, animal hide and fabric and began exploring the possibilities of chair design with metal and plastic.Learn more about Inventions
The first traditional version of pull-on underwear is believed to have been invented in the 13th century. Before that, loincloths had been found on 7,000-year-old remains of humans, but only became important in the 13th century.Full Answer >
It is believed that Korean girls in the 17th century who were not allowed beyond the confines of their courtyard walls invented the seesaw to catapult themselves in the air high enough to glimpse the outside world, according to Patricia Newman.Full Answer >
While details surrounding the invention of the first bridge have been lost to time, a bridge in the Palk Straight is believed to be the oldest ever discovered. The first signs of civilization in the region date back 1,750,000 years ago, and the bridge is believed to be as old.Full Answer >
It is believed that the first mechanical clock was invented in 723 or 725 A.D. by Chinese mathematician and monk Yi Xing, also spelled I Hsing. Rudimentary clocks existed prior to that in Europe, but they did not have the escapement mechanism that is characteristic of mechanical clocks.Full Answer >