There has been no World war 3. So the answer is 0...
How many years have there been since 1776?
Every four years since 1987
it has been 52 years since 1958
It has been 525 years since 1492.
World War 2 ended on August 1945, so it has been 67 years as of September 2012.
the World cup has been taking place since 1930.
It has been 15 years
2012 - 1998 = 14. It has been 14 years since 1998.
Since the Holocaust ended (approx. 1945), it has been 63 years. Since the Holocaust has begun (approx. 1938-1939), it has been 70 years.
Its been built since 1922 so its been built for 88 years
About 2510 years as of 2015.
It has been held every 4 years since 1930 (with the exception of 1938-1950, when the world cup was canceled because of world War II). The 2010 World Cup is the 19th world cup.
There have been 20 leap years since 1931.
The World Series has been played annually since 1903, with the exception of the 1904 and 1994 seasons.
On September 3rd in 2013, it has been 74 years since World War II started.