What are some historical events in Hawaii?

* 1778: Captain James Cook becomes the first European to visit Hawaii.

* 1795: Kamehameha I conquers the island of Oahu and unifies the Hawaiian Islands.

* 1810: The first American Protestant missionaries arrive in Hawaii.

* 1840: The Hawaiian kingdom adopts a constitution and becomes a constitutional monarchy.

* 1893: Queen Lili'uokalani is overthrown by a group of American businessmen and planters.

* 1898: Hawaii is annexed by the United States.

* 1959: Hawaii becomes the 50th state of the United States.

* 1969: The first moon landing takes place on the Big Island of Hawaii.

* 2008: Barack Obama, a native of Hawaii, is elected president of the United States.