1. In 1775, the Battle of Bunker Hill took place in Charlestown, Massachusetts. This battle was a key moment in the American Revolutionary War and was the first major battle between the British Army and the Continental Army.

2. On June 18, 1812, the United States declared war on Britain. This event marked the beginning of the War of 1812, which lasted until 1815 and was fought between the United States and Great Britain, along with their allies.

3. In 1873, suffragist Lucy Stone became the first woman in Massachusetts to earn a college degree. She graduated from Oberlin College in Ohio, where she had traveled to attend college because women were not yet admitted to colleges in Massachusetts.

4. On June 18, 1908, the University of Massachusetts Amherst (then known as Massachusetts Agricultural College) became the first state agricultural college to offer a four-year degree program in engineering.

5. In 1983, Sally Ride, a native of Los Angeles who had earned a Ph.D. in physics from Stanford University, became the first American woman to travel to space. Her historic flight aboard the space shuttle Challenger began on June 18, 1983.