Because that is the most important point in history.
Answer:
He is the spiritual leader of Tibet. He is significant to his followers because they consider him to be an enlightened individual who has delayed his own nirvana to help them.
Explanation:
Lhamo Thondup (born name), Tenzin Gyatso (spiritual name) is the current 14th Tibetan Dalai Lama .
Dalai Lama as the word itself is the title of a lineage of religious leaders. As a two-year-old boy was recognized as a reincarnation by the Tibetan monks. At age of four, he was taken from his family to start with preparations for his leadership (Dalai Lama).
His fight is for a peace and is most recognized in the world for a peaceful campaign against Chinese domination in Tibet. For this campaign he received the Nobel Peace prize in 1989.
The establishment of spheres of influence in China by Europeans! :)
Answer:
Because he realized that the world was in fact round and that if you went the opposite way you would eventually end up in the same place.
The major complication was the Americas. A GIANT land mass with no way through it at the time.