Who was the most famous viking and why was he important

Leif Erikson. He even has his own day!

The most famous Viking was Leif Erikson, who is  famous as been the first European to get to America, about 5 centuries before Columbus. He was the son of the also famous Erik the Red, who founded Greenland. Apparently Leif Erikson would have arrived to America as it went off course while traveling to the new settlement of Greenland.

the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.