exists and is an alternate of . Technically the longest war ever was the 335 years long, there was no casualties in it or anything but it was officially declared March 30, 1651 and officially ended on April 17, 1986.
Interesting Facts about Ice Ages. 1  The current interglacial period that the Earth is in is called the Holocene period. 2  Most of Canada was covered with ice just 20,000 years ago. 3  An ice age can occur if the global temperature drops just a few degrees for a long period of time.
There have been approximately 11 different ice ages that have occurred during the earthâs 4.6 billion years of existence. The last ice age was called âThe Great Ice Ageâ, and it occurred 11,000 years ago. During the âGreat Ice Ageâ over a third of the earth was covered in ice, and the air had less carbon dioxide in it.