1. On June 18, 1778, during the American Revolutionary War, the British Army under General Sir Henry Clinton attacked the American troops in Monmouth County. The battle became known as the Battle of Monmouth, one of the biggest battles of the war.

2. On June 18, 1812, the United States declared war on Great Britain, starting the War of 1812. The war lasted for three years and resulted in a stalemate, with neither side gaining a clear victory.

3. In 1873, on June 18, Susan B. Anthony was fined $100 for voting in the presidential election in Rochester, New York. Anthony, a suffragist and women's rights activist, was determined to fight for women's right to vote and continued to campaign for the cause until her death in 1906.

4. On June 18, 1948, the United States Supreme Court ruled in Shelley v. Kraemer that racial covenants, which were used to prevent black people from purchasing homes in certain areas, were unconstitutional. This decision paved the way for desegregation and the Civil Rights Movement.

5. On June 18, 2014, a massive fire broke out on the Seaside Park boardwalk in New Jersey, destroying several businesses and causing millions of dollars in damage. The fire was started by faulty wiring in an ice cream shop and took several hours to contain. No one was injured in the blaze.