800
400 years passed between the beginning of the Mayan civilization and its decline
60 years
Around four years from the end of the American Revolution.
if you look at it as starting in 1939 then six years passed
Your question needs to be refined; what do you mean by "official"? It is generally agreed by cosmologists (physicists who study the universe, including it's beginning) that there was a beginning but there's little consensus on when. Most estimates are between 13 - 20 billion years ago.
Sep.1, 1939 - Sep.2, 1945 So 6 years 1 day
Six years almost to the day. The "official" beginning date is usually said to be September 1, 1939, when Germany invaded Poland. This ignores the fact that Japan had invaded China in 1937, and Manchuria in 1931. The end came in 1945, with Germany giving up in May, and the Japanese signing surrender documents aboard the US battleship Missouri September 2, 1945 in Tokyo Bay.
There was 4,272 years between the biginning of agriculture along the Nile and Piye of Kush defeating the Egyptians.
the war began in September 1939. Japan surrendered in august 1945.
86 years
Not counting 510 BC or AD 25, 533 years passed between the two.
61 years have passed