1. In 1794, British explorer Captain George Vancouver arrived in Hawaii. He is credited with introducing the first cattle to the islands and establishing a long-lasting relationship between Great Britain and Hawaii.

2. February 10, 1843, is known as "Ka La Ho'iho'i Ea," or "Restoration Day," in Hawaii. On this day, King Kamehameha III officially declared that Hawaii was, once again, a sovereign and independent nation.

3. In 1887, a group of American businessmen and immigrants forced King Kalakaua to sign the "Bayonet Constitution," which severely limited the monarch's power and disenfranchised many Native Hawaiians. This event helped pave the way for the eventual overthrow of the Hawaiian monarchy in 1893.

4. February 10, 1920, marked the opening of the Kilauea Volcano on the Big Island of Hawaii. The eruption lasted for two and a half years and caused extensive damage to nearby towns and villages. Today, Kilauea is one of the most active volcanoes in the world and a major tourist attraction.

5. On February 10, 1984, Hawaii experienced its largest mass murder in history. A man named Byran Uyesugi, who worked for Xerox, shot and killed seven of his coworkers at the company's Honolulu office. The incident sparked a nationwide conversation about workplace violence and prompted many businesses to implement stricter security measures.