1. On July 21, 1959, Hawaii became the 50th state to join the United States of America. This historic event marked the end of a long and arduous journey for the people of Hawaii who had fought for decades for statehood.

2. On July 21, 1923, the Honolulu Symphony Orchestra gave its first public concert at the Hawaii Theater. It was an important milestone for the orchestra, which had been founded just two years earlier.

3. On July 21, 1969, the Apollo 11 mission successfully landed on the moon. The mission was a historic achievement for the United States and for humanity as a whole. The astronauts involved in the mission, including Neil Armstrong and Buzz Aldrin, became household names around the world.

4. On July 21, 1893, Queen Liliuokalani was overthrown by a group of American businessmen and politicians. The coup d'etat marked the end of the Hawaiian monarchy and the beginning of a period of American dominance in Hawaii.

5. On July 21, 2006, the Hawaiian voyaging canoe, Hokulea, completed its first round-the-world voyage. The voyage was an important demonstration of Hawaiian cultural and environmental values and brought global attention to the unique traditions and knowledge of Hawaiian seafaring.