1. In 1934, a magnitude-6.2 earthquake struck the island of Hawaii. The earthquake caused damage to several buildings in Hilo, including the Hilo Armory and the Pacific Tsunami Museum.

2. On February 20, 1967, Hawaii officially became a U.S. state. The statehood bill was signed into law by President Dwight D. Eisenhower on August 21, 1959, but it wasn't until this day that Hawaii officially became the 50th state in the union.

3. The Hawaiian Islands are home to some of the most active volcanoes in the world, with Kilauea on the island of Hawaii being one of the most active. On February 20, 1942, Kilauea erupted, sending lava flows and ash plumes into the air.

4. In 1862, the Prince Kuhio Day was observed in Hawaii for the first time. The day honors Prince Jonah Kuhio Kalaniana'ole, who was a member of the Hawaiian royal family and a politician who worked to empower native Hawaiians.

5. On February 20, 1985, the USS Arizona Memorial was reopened to the public after undergoing renovations. The memorial honors the 1,177 sailors and Marines who died on the USS Arizona during the attack on Pearl Harbor on December 7, 1941.