Very probably in ancient Egypt, 6,000 years ago. The oldest surviving key to have been discovered by archaeologists was made of wood and was found in the ruins of the Assyrian city of Nineveh. It was used to lock a door in the palace of King Sargon who lived around 2,300 BC, so over 4,000 years ago.
"Theodore of Samos in the 6th century BC." ~ Wikipedia
The inventor of the key is unknown, as the device dates back to a time prior to historical records being kept. There is evidence that the Egyptians were using a type of key over 4000 years ago.
The original lock and key system was used by Egyptians over 4000 yrs. ago, as discovered by archaeologists. They were crude, and made of wood, but they were the forerunners of the lock and key system we still use today.
African Americans, although still marginalized by society, were key players in the development of television and rock 'n' roll. Their talents and styles greatly influenced these two revolutionary mediums.
The spinning jenny was a multi-spindle spinning frame, and was one of the key developments in weaving during the Industrial Revolution. It was invented in 1764 by James Hargreaves. The spinning mule (also known as the mule jenny) was invented by Samuel Crompton in 1779, which was a hybrid ("mule") of the spinning jenny and a water-powered spinning frame.
it was invented in 2134 you swine.
They were invented in Ancient Egypt.
The Allen key, or hex key, was invented in 1910. It was invented by William G. Allen, but first commercialized by P. L. Robertson.
Henry G. Key invented the first automobile key, hence the name, in 1932
me
Keyrings were invented in the 19th century.
1868
Key rings were invented in 1922 by a man called G Herluf Johnson, the actual ring part was invented by a juggler from Russia in the 1830's.
he invented hiccups
Knight's Armament Company (KAC) invented the Masterkey during the 1980s. ;)
Alan Key
1989
He invented the map key
frankie