What is the most significant year in human history?Watch
Most significant year in modern human history? 1776
Most significant year in all human history? Don't think it's easy to bridge that distance.
Meanwhile in the east, the Ottoman Turks launch their final assault on Constantinople, the city is defended by a few Byzantines and some Ventians. Ottoman strength is too much however and Constantinople collapses. Over 1000 years of empire comes to a crushing end as the second Rome falls.
the first electric car was released
I might plump for the death of Jesus so 0AD.