1. The Constitutional Convention of Hawaii began on July 17, 1894. This convention produced a new constitution and established the Republic of Hawaii.

2. On July 17, 1941, a group of Japanese-American soldiers from Hawaii arrived in Virginia to undergo training with the Military Intelligence Service Language School. These soldiers played an important role in intelligence gathering during World War II.

3. The Ironman Triathlon, one of the most famous endurance events in the world, was first held in Hawaii on July 17, 1978. The race involves a 2.4-mile swim, a 112-mile bike ride, and a 26.2-mile run.

4. The Hawaii State Legislature established July 17 as "Korean War Veterans Day" in Hawaii in 2015. The day honors the sacrifices of Hawaii residents who served in the Korean War.

5. On July 17, 1966, the Aloha Tower Marketplace opened in Honolulu. The marketplace, located near the historic Aloha Tower, features shops, restaurants, and entertainment venues.