1. On March 18, 1871, King Kamehameha V signed a law establishing the Honolulu Fire Department. The department was the first of its kind in the Hawaiian Islands and helped protect the city from devastating fires.

2. In 1893, on March 18, the Queen Liliuokalani was forced to abdicate the Hawaiian throne, effectively bringing an end to the Hawaiian monarchy. The overthrow was orchestrated by a group of American businessmen and politicians who had interests in establishing a republic.

3. March 18, 1937, marked the opening of the iconic Royal Hawaiian Hotel in Waikiki. The hotel's distinctive pink walls soon became a symbol of Hawaiian luxury and hospitality, and it has hosted countless celebrities and dignitaries over the years.

4. On March 18, 1965, Hawaii became the first state in the United States to initiate a statewide lottery. The lottery was intended to raise funds for education, and it quickly became a popular pastime for many locals and tourists alike.

5. March 18, 2020, saw Hawaii declare a state of emergency in response to the COVID-19 pandemic. The proclamation allowed the state to take swift action to protect its citizens and halt the spread of the virus, including implementing strict travel restrictions and quarantine measures.