The base-sixty (sexagesimal) system was first used by the Sumerians sometime around 2000 BCE.
The Babylonians
Quite probably the ancient Babylonians.
Play 60 was invented by the Cooper Institute: FITNESSGRAM.
they where invented in the 60's
Those people dealt with the sexadecimal matemathical system which use a 60 digit base. with that they could keep track of time.
Many ancient cultures had not invented fractions in their number system. The number 60 was chosen because it have many factors. We use relics of it today when reading the time. 60 seconds to a minute, 60 minutes to an hour.
Many ancient cultures had not invented fractions in their number system. The number 60 was chosen because it have many factors. We use relics of it today when reading the time. 60 seconds to a minute, 60 minutes to an hour.
late 60's. skateparks were invented in California
Tuesday
The Sumerians of Mesopotamia, they developed cuneiform. They also invented the wheel and a number system based on 60.
1914
the 60's