1. On July 30, 1815, Kamehameha I, the first king of Hawaii, died in his royal residence in Kailua-Kona at the age of 82. He unified the Hawaiian Islands under his rule and established a kingdom that lasted until 1893.

2. In 1934, the Hawaii Volcanoes National Park was established on July 30. It is located on the island of Hawaii and encompasses two active volcanoes, Kilauea and Mauna Loa, as well as a diverse range of ecosystems and cultural sites.

3. On July 30, 1959, President Dwight D. Eisenhower signed the Hawaii Admission Act, officially making Hawaii the 50th state of the United States. Prior to this, Hawaii had been a territory of the United States since 1898.

4. On July 30, 1975, the first international flight from Japan arrived in Honolulu, marking the beginning of regular air service between the two countries. This helped to establish Hawaii as a popular destination for Japanese tourists.

5. In 1996, the Hokulea, a traditional Polynesian sailing canoe, arrived in Honolulu on July 30 after completing a three-year voyage around the world. The voyage was intended to promote cultural exchange and raise awareness about environmental conservation.