Kamehameha returns to O`ahu to prepare for another invasion of Kaua`i.
The Kruzenshtern-Lisianskii Russian expedition to Hawai`i (1803-1806) begins, spurred by Russian desires to catch a piece of the burgeoning Canton trade.
First horses in Hawai`i arrive on Hawai`i Island on an American ship, the Lelia Byrd; the mare and foal are landed at Kawaiahae Bay for John Young.
Louisiana Purchase doubles the size of the United States.
