Hawaii became the 50th state on August 21, 1959. The state flag represents Hawaii's history as a small country that became a state after being taken over. Some of Hawaii's top attractions include the USS Memorial, the royal palace of Queen Liliuokalani, and the active volcano Mt. Kilauea. The state flower is the hibiscus which comes in red, yellow, and white colors. Major cities include Waikiki, Wailea, and Hilo. Hawaii's economy relies on tourism and agriculture such as pineapples, sugar, and molasses. Famous celebrities from Hawaii include Nicole Scherzinger, Elvis Presley, and Barack Obama.