1. Independence Day: July 1 is celebrated as Independence Day in Hawaii as it marks the day when the Kingdom of Hawaii was established in 1843. The day is marked with parades, cultural events, and fireworks displays.

2. Sugar Plantation Strike: In 1946, thousands of sugar plantation workers in Hawaii went on strike demanding better wages and working conditions. The strike lasted for 79 days and resulted in significant changes in the labor laws of Hawaii.

3. Statehood: On July 1, 1959, Hawaii became the 50th state of the United States. The statehood celebrations lasted for four days and included a parade, fireworks display, and the raising of the American flag at the State Capitol.

4. Kilauea Eruption: On July 1, 1960, the Kilauea volcano in Hawaii erupted, causing widespread damage and destroying several homes. This was one of the most significant volcanic eruptions in Hawaii's history, and it led to the creation of new geological formations in the area.

5. International Festival: In 1972, the first international festival was held in Honolulu, Hawaii. The festival aimed to promote cultural exchange and to showcase Hawaii's diverse culture to visitors from around the world. The festival has since become an annual event, attracting tourists and locals alike.