1. In 1793, Captain George Vancouver of the British Royal Navy arrived in Hawaii and met with King Kamehameha I. Vancouver gifted the king a number of European goods, including cattle and sheep, which eventually contributed to the development of Hawaii's ranching industry.

2. In 1868, the Hawaiian government established a quarantine island known as Kahoolawe. The island was used to isolate individuals with infectious diseases, and it was also used as a bombing range by the U.S. military during World War II.

3. In 1872, the SS Mokolii, a steamship carrying passengers and cargo from San Francisco to Honolulu, ran aground on the north shore of Oahu. The ship was successfully pulled back into the water, but it sank a few miles offshore a few days later.

4. In 1933, the Pan American Airways' "China Clipper" made its first successful test flight from San Francisco to Honolulu. This paved the way for Pan Am's trans-Pacific air service, which would make Hawaii a major stopover point for flights between North America and Asia.

5. In 1964, the tsunami caused by the 9.2 magnitude earthquake in Alaska hit the coast of Hawaii, causing significant damage to the islands. The tsunami waves caused damage to coastal communities and resorts, resulting in 61 deaths and $75 million in damages.