1. The first recorded eruption of Mauna Loa, one of the largest volcanoes on Earth and located on the Big Island of Hawaii, occurred on July 11, 1843. The eruption lasted for 23 days and produced a lava flow that extended for over 10 miles.

2. On July 11, 1895, the Republic of Hawaii was officially proclaimed after overthrowing the Hawaiian monarchy in 1893. The new government was partially formed due to the pressure of American interests in the region.

3. The USS Arizona Memorial in Pearl Harbor, Hawaii was dedicated on July 11, 1962. The memorial serves as a remembrance for the 1,177 sailors and Marines who were killed during the December 7, 1941, attack on Pearl Harbor.

4. July 11, 1955, marked the opening of the first-ever commercial jet service between Honolulu and the mainland United States. The Pan Am Airways flight from San Francisco carried a total of 111 passengers on a Boeing 707 aircraft.

5. The Kanakolu No. 3, a Hawaiian outrigger canoe made from a single koa tree and measuring 62 feet in length, was launched on July 11, 1987. It was the largest outrigger canoe ever created and is still used for traditional Hawaiian voyaging today.