1. In 1776, the first court martial in the Continental Army was held at Cambridge, Massachusetts. The trial involved Captain Thomas Preston, who was accused of ordering British soldiers to fire on unarmed colonial protesters during the Boston Massacre in 1770. Preston was acquitted of all charges except cowardice.

2. In 1901, the Massachusetts Institute of Technology (MIT) moved from Boston to its current location in Cambridge. MIT is one of the world's leading research institutions, known for its cutting-edge technology and contributions to fields such as engineering, science, and economics.

3. In 1927, the Boston Garden arena opened to the public in Boston. The iconic venue hosted numerous events over the years, including basketball games, hockey matches, concerts, and political rallies. It was eventually replaced by the TD Garden in 1995.

4. In 1957, the first commercial nuclear power plant in the United States went online in Shippingport, Pennsylvania. The plant was built by Westinghouse Electric Corporation, which was headquartered in Boston at the time. Westinghouse played a significant role in the development of nuclear technology in the 20th century.

5. In 2010, Scott Brown was elected to the U.S. Senate from Massachusetts in a special election. Brown, a Republican, won the seat previously held by Democrat Ted Kennedy, who had passed away the previous year. Brown's victory was seen as a major upset and a sign of shifting political attitudes in Massachusetts and the nation as a whole.