1. The Kamehameha IV and Queen Emma Summer Palace was dedicated on July 19, 1856. This historic home was built for Prince Alexander Liholiho (later Kamehameha IV) and his wife Queen Emma as their vacation residence. Today, it serves as a museum and a popular attraction for visitors to Hawaii.

2. On July 19, 1890, the first electric streetcar service was introduced in Honolulu. The new transportation system was a major upgrade for the city and made it easier for residents and tourists to get around. The streetcars were eventually replaced by buses, but the legacy of this historic moment lives on.

3. The USS Arizona Memorial in Pearl Harbor was dedicated on July 19, 1962. This iconic monument honors the 1,177 sailors and Marines who lost their lives on the battleship USS Arizona during the attack on Pearl Harbor on December 7, 1941. The memorial is a solemn reminder of the sacrifices made by those who served their country.

4. Hawaii's first state park, the Waimea Canyon State Park, was established on July 19, 1952. The park, which is located on the island of Kauai, features stunning views of the Waimea Canyon, known as the "Grand Canyon of the Pacific". Visitors can enjoy hiking trails, camping, and other outdoor activities in this beautiful natural setting.

5. The Hawaii State Capitol was dedicated on July 19, 1969. This distinctive building was designed by architect John Carl Warnecke and features a striking open-air rotunda and a reflecting pool. The Capitol serves as the seat of government for the state of Hawaii and is also a popular tourist destination.