1. In 1974, the historic Lahaina Banyan Tree on Maui was added to the National Register of Historic Places. The tree, which was planted in 1873, is one of the largest banyan trees in the world and covers an entire city block.

2. On June 26, 1935, the first flight from the mainland United States to Hawaii took place. The flight, which was flown by United Airlines, took 21 hours and 45 minutes and landed in Honolulu, marking the beginning of regular passenger service to the islands.

3. The Kaho'olawe Island Reserve Commission was established on June 26, 1993, to oversee the cleanup and restoration of Kaho'olawe Island, which had been used as a military training ground for decades. The commission is responsible for preserving and protecting the island's cultural and natural resources.

4. On June 26, 1900, the first public Hawaiian language school, known as the Hilo Boarding School, opened its doors. The school was established to help preserve and promote the Hawaiian language and culture, which had been suppressed by the government and missionaries.

5. June 26, 1959, marks the date that Hawai'i became the 50th state of the United States of America. After years of debate and political maneuvering, Hawai'i became the first state to be admitted to the Union after Alaska, which became the 49th state earlier in the year.