1. In 1919, a solar eclipse occurred over Hawaii on May 29, which was one of the most closely observed eclipses in history. Scientists and researchers alike gathered on the islands to observe and study the rare event.

2. On May 29, 1959, President Dwight D. Eisenhower signed the Hawaii Admission Act, which officially made Hawaii the 50th state of the United States. The act was significant in allowing Hawaii to participate fully in the political and economic affairs of the nation.

3. In 1971, the Hawaii State Legislature approved the creation of the Hawaii State Foundation on Culture and the Arts, which promotes art and creativity in the state. Today, the foundation manages a large public art collection throughout Hawaii.

4. On May 29, 1985, the Hawaii Supreme Court ruled in favor of the plaintiff in what became known as the "PASH" case, which granted women the right to have abortions in the state. The decision solidified Hawaii's reputation as a progressive state on issues related to reproductive rights.

5. In 2015, the International Union for Conservation of Nature (IUCN) held its World Conservation Congress in Hawaii from August 31 to September 10. The congress brought together leaders and experts from around the world to discuss and address pressing environmental issues.