Because they got tired of making calendars...:)
That we would all die....but the mayans say that in 2012 the world will end which i truly dont belive in because they also predicted it to end in 2002
the early globe predicted the existence of which two great land masses
As of October 2014 the population of the planet is ~7.125 billion.
The Sumerians, because Sumeria was the first true civilization on planet Earth. It developed in Mesopotamia, and the people who created this first civilization are known as the Sumerians.
None.Earthquakes cannot be predicted.
Tsiolkovsky.
The Mayans forget to tell us that. The world will probably not end on December 21, 2012. They knew it was an important date because of the wobble that will occur on the Earth's axis. Weather may change or other such things but as in the Y2K scare, our civilizations did not fall apart as predicted. I suspect it will be the same with the Mayan warning.
Oliver heaviside
It has been predicted that life on Earth will be non-existent in about 78 million years. The world will end in roughly 3 billion years when it collides with a local galaxy known as Andromeda. We have no worries of the world ending before we do.
Archeologist's
Currently there are no asteroids expected to hit Earth in the next 100 years.
in the next 768 years it is asteriod tenesa