1. On March 5, 1770, the Boston Massacre occurred, which has significant implications for New Jersey history. This event was a turning point in the colonies' relationship with Britain and set the stage for the American Revolution. New Jersey played a significant role in the revolution, with troops from the state fighting in many battles.

2. In 1868, the New Jersey State Legislature passed a law that allowed African American men to vote. The law was significant because it was the first state law in the U.S. to give African American men the right to vote. This law made New Jersey a leader in the fight for civil rights.

3. On March 5, 1912, the town of Matawan, New Jersey was the site of a horrific shark attack. The attack happened in the creek of the town, killing two people and injuring a third. Despite being the site of the attack, the town gathered together and went fishing to find the shark responsible.

4. In 1954, the Supreme Court’s case of Brown v. Board of Education declared that segregation in schools was unconstitutional. This ruling was significant for New Jersey because, at the time, many of the state's schools were still segregated. The decision was crucial in the state's efforts to promote equality and desegregation.

5. March 5, 2019 was a significant day for New Jersey because it marked the first official day of sports betting in the state. This event followed the Supreme Court's decision to overturn the Professional and Amateur Sports Protection Act (PASPA) in 2018, which had previously outlawed sports betting. The decision by the Supreme Court allowed states like New Jersey to legalize and regulate sports betting, generating millions in tax revenue.