1914 - Thor Heyerdahl, born on the 6th of October in Larvik, Norway. He is a Norwegian explorer and anthropologist.
1937 - 1938 - He carried out research in the Marquesas Islands.
1939 - 1940 - Studied the indigenous peoples of British Columbia.
1947 - To support his thesis that the first settlers of Polynesia were of South American origin, he and five companions made the crossing from Peru to the Tuamotu Archipelago on a primitive log raft.
1952 - 1989 - His other writings include American Indians in the Pacific, Aku-Aku, Sea Routes to Polynesia, and Easter Island: The Mystery Solved.
1970 - Sailed, in a papyrus boat, from Morocco to Barbados, in an attempt to prove that ancient Mediterranean civilizations could have sailed in reed boats to America.
1977 - He sailed from the Persian Gulf to the Red Sea, following a route he believed was once used by the Sumerians; this trip is detailed in The Tigris Expedition.
2002 - Died on the 18th of April in Colla Muchari, Italy due to Brain Cancer. He was buried in Oslo, Norway.