1. The Battle of Kuamoʻo: On February 13, 1819, a fierce battle known as the Battle of Kuamoʻo took place in Kona, Hawaii. The battle was waged between the forces of King Kamehameha II and Queen Kaʻahumanu and those of their opponents, who sought to restore the kapu system and overthrow the new Christian-based government. The battle resulted in the defeat of the traditionalists and the establishment of the new government in Hawaii.

2. Treaty of Annexation: On February 13, 1893, a controversial treaty was signed between the United States and the government of the Kingdom of Hawaii that would eventually lead to the annexation of Hawaii by the United States. The treaty was signed at gunpoint and without the consent of the Hawaiian people, sparking years of political turmoil and resistance.

3. Birth of Duke Kahanamoku: One of Hawaii's most famous sons, Duke Kahanamoku, was born on February 13, 1890. Kahanamoku was a legendary swimmer and surfer who helped popularize the sport of surfing around the world. He also served as sheriff of Honolulu and was a goodwill ambassador for Hawaii.

4. Pearl Harbor Attack: On February 13, 1942, just two months after the infamous attack on Pearl Harbor, the first Japanese air raid on the Hawaiian Islands since that attack took place. The raid targeted Wheeler Army Airfield on Oahu and resulted in the loss of several American planes.

5. Statehood: February 13, 1959, is a significant date in Hawaii's history because it marks the day that the territory of Hawaii was admitted as the 50th state of the United States of America. This was the culmination of years of political struggle by Hawaiian activists and marked the end of a long period of colonialism in Hawaiian history.