0
There isn't a definite one - it can't be meausred to that precision.
For human history and Archaeology the BC / AD system is used, and is analogous to the use of 0ºC for everyday temperatures in taking a familiar but purely-arbitrary reference point, although with all-positive numbers for both BC and AD.
Geology and astronomy use a similar past-going but positive-number count as thousands or millions or years BP (Before Present), which I think is actually 1958. The 55-year difference between 1958 and 2013 is vanishingly small, far below the calculation tolerances.
It's also expressed by geologists as so-many ka or Ma (thousand or Million years ago, respectively.
What else can I help you with?
Where in the world does new years happen first?
New Year's celebrations occur first in the Pacific island nations of Samoa and Tonga, which are among the first places to welcome the new year due to their location just east of the International Date Line.
Who was the first ever recorded person to find Australia besides Aborigines?
The first ever recorded person to find Australia was Willem Jansz/Janszoon, a Dutchman who was seeking new trade routes and trade associates. He became the first recorded European to step foot on Australia's shores on the western shore of Cape York Peninsula, on 26 February 1606.
In what year was Brazil discovered?
In the year 1500 (on April 22) the first Europeans arrived in Brazil, led by the explorer Pedro Alvares Cabral.
In what year did Raleigh's first colonists land on Roanoke Island?
Raleigh's first colonists, led by John White, landed on Roanoke Island in 1587.
When was the first digger made?
The 'Darby Steam-Digger' was the first digger ever made and it was constructed around the late 1800's.
What was the first cookie ever made?
The first cookie ever made was in the year of 1885
What was the first year ever?
0001
What year Naruto first ever aired in Japan?
It 1st ever aired in year 2002.
What was the first year ever made?
1914
What was the first year ever invented?
001
What year was the first Cadillac ever made?
1914
What year was the first train ever made?
never
What year was the first computer ever built?
2012
What was the first year ever in history?
Nobody noes
What year was holden and Ford made?
what year was the first Holden and ford ever made
What year did mardi gra start in?
what year was mardi gras first ever created
What year was naruto first ever aired in English?
It was aired in year 2005 (english).
