1. On June 24, 1918, the first trans-Pacific flight landed in Hawaii. The flight was completed by the US Army Air Service and the 151st Aero Squadron, who flew from California to Honolulu in a modified Curtiss R-2 biplane. The flight marked an important milestone in aviation history and helped establish Hawaii as a strategic location for the military.

2. On June 24, 1949, the Territory of Hawaii held its first election since becoming a state. The election was held to elect a new governor and was won by Oren Long, who went on to serve as Hawaii's governor from 1951 to 1953.

3. On June 24, 1959, Hawaii officially became the 50th state of the United States. The admission followed a referendum held in Hawaii in 1958, in which residents voted overwhelmingly in favor of statehood.

4. On June 24, 1974, the first Hawaiian International Billfish Tournament was held in Kona, Hawaii. The tournament, which is still held annually, is one of the most prestigious fishing tournaments in the world and attracts anglers from around the globe.

5. On June 24, 1990, the Hubble Space Telescope captured its first image of the deep space object known as the "Hawaiian Shirt Nebula". The nebula, which is located in the constellation Cygnus, is named for its colorful appearance and distinct shape, which resembles a Hawaiian shirt.