The last group of people was hung for witchcraft during the Salem Witch Trials in Massachusetts, US.
Source
The first warrants were issued to arrest three women accused of witchcraft in Salem, Massachusetts, US.
Dr. Joseph E. Murray performed the first human kidney transplant at Peter Bent Brigham Hospital in Boston, Massachusetts.
Massachusetts became the first US state to legalize same-sex marriage.
The Richard Fairbanks Tavern and Post Office in Massachusetts became the first American colonial post office.
The village of Shawmut in Massachusetts adopted the name Boston.
