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The system of three 365-day years followed by one 366-day Leap Year began in 47 B.C. The extra day was added to the last month of the year, which at that time was February.=-Leapzine==For more info go to: http://www.leapyearday.com/CelebrateTheSpin.htm=
What else can I help you with?
How did Hundred Years' War begin?
Battle of Crecy
What year did the Hundred Years War begin?
It started in 1337.
How many years ago did daoism begin?
Over 2,000.
When did humans begin tracking years?
Humans began tracking years around 5,000 years ago with the development of the ancient Egyptian calendar.
When did Precambrian Time begin?
The Precambrian period was from 4600 million years ago to about 542 million years ago.
How many weekday in a one year?
262 in leap years that begin on Monday, Tuesday, Wednesday or Thursday 261 in leap years that begin on Sunday or Friday and regular years that begin on any weekday 260 in any year that begins on a Saturday and regular years that begin on Sunday
How many years ago did history begin?
About 500 years ago.
When did farming begin in north America?
farming begin 10,000 to 9,000 years ago
How many years after Luthers criticism did Galileo begin to study planets?
How many years after Luther’s criticism did Galileo begin to study planets?
In what years did newsboys or newsies begin?
1985 !
What years did the empire Of Kongo begin?
2056
How many years after the Missouri Compromise did the Civil War begin?
41 years
How many years ago did the neolithic age begin?
about 120 years ago
How many Sundays occur in a year?
All years that begin on a Sunday and leap years that begin on Saturday have 53 Sundays each. All other years have 52 Sundays each.
At what age does the Icelandic begin training?
4 Years
When did gangs begin?
about a few hundred years ago
When did technology begin in China?
millions of years ago
