1. The Battle of Monmouth Took Place on June 11, 1778: One of the most significant battles in the American Revolutionary War, the Battle of Monmouth took place on June 11, 1778, in what is now Freehold Township, New Jersey. The battle was fought between the Continental Army and the British Army, and it marked the first time that General George Washington led his troops into battle following their winter encampment at Valley Forge.

2. New Jersey Became the Third State to Ratify the U.S. Constitution on June 11, 1787: On June 11, 1787, New Jersey became the third state to ratify the U.S. Constitution, following Delaware and Pennsylvania. The Constitution established the framework of government for the United States, and it remains the oldest written national constitution still in use today.

3. The First Official Baseball Game Was Played in Hoboken, New Jersey on June 11, 1846: On June 11, 1846, the first officially recorded baseball game was played in Hoboken, New Jersey, between the Knickerbocker Baseball Club of New York and the New York Nine. The game ended in a 23-1 victory for the Knickerbocker Club, and it helped to establish baseball as a nationally popular sport.

4. The Atlantic City Boardwalk Was Opened on June 11, 1870: On June 11, 1870, the Atlantic City Boardwalk was opened to the public, becoming the first boardwalk in the United States. The boardwalk has become an iconic symbol of Atlantic City, and it is a popular destination for tourists from around the world.

5. The Great Camden Train Wreck Occurred on June 11, 1953: On June 11, 1953, a Pennsylvania Railroad passenger train collided with a freight train in Camden, New Jersey, resulting in the death of 10 people and the injury of more than 100 others. The accident led to significant changes in railroad safety regulations and helped to improve the safety of train travel.