1. In 1778, the Battle of Monmouth was fought in Monmouth County, New Jersey during the American Revolutionary War. The battle was the largest fought in New Jersey and ended in a draw, but it was considered a strategic victory for the American forces.

2. In 1877, the Great Railroad Strike began in Martinsburg, West Virginia and quickly spread to other states including New Jersey. The strike was a result of wage cuts and poor working conditions for railroad workers, and it led to violence and unrest in several cities in the state.

3. In 1920, the Republican National Convention took place in Chicago and Governor Edward I. Edwards of New Jersey was one of the candidates for the presidential nomination. Although he did not win the nomination, he gained national attention and was seen as a rising star in the Republican Party.

4. In 1947, a UFO crash was reported in Roswell, New Mexico, sparking decades of controversy and conspiracy theories. While the incident did not occur in New Jersey, it remains one of the most famous UFO sightings in history and has become a cultural phenomenon.

5. In 1997, the New Jersey Devils won their first Stanley Cup championship in franchise history with a 4-1 victory over the Detroit Red Wings in game 4 of the finals. The team was led by captain Scott Stevens and goaltender Martin Brodeur, and their win brought a new level of excitement to the state's hockey fans.