Year	Text
1648	Deshnew crosses the Bering Sea.
1689	Peter I (the Great) becomes czar
1725	Peter the Great dies, his wife succeeds as Catherine I
1728, 25th March	First Bering/Tchirikov expedition passes through the Bering Strait without proofing ultimately the supposed separation of Asia and America.
1732	The Gvosdev/Fedorov expedition has the first sighting of the American Mainland near Cape Prince of Wales but does not land.
1741	Second Bering/Tchirikov expedition lands in Alaska with both ships which became seperated prior to. The expedition ends with near total desaster. Chirikov returns. Bering dies on Bering Island (Commander Islands) on Dec 8 1741.
1743	Emilian Basow and his backers start the commercialisation of the fur trade. Basow manages five hunting trips. Others follow swiftly.
1743	Russia gains Southeast Finland in the treaty of Abo.