Reddit was founded in Medford, Massachusetts.
Massachusetts became the first US state to legalize same-sex marriage.
The WHO deletes homosexuality from its list of mental diseases.
The very first .com domain was registered.
Twelve doctors at Massachusetts General Hospital in Boston performed the first successful reattachment of a human limb – it was the severed arm of a boy.
Dr. Joseph E. Murray performed the first human kidney transplant at Peter Bent Brigham Hospital in Boston, Massachusetts.
Frozen food is sold in retail stores for the first time.
The Great Fall River fire destroyed many businesses downtown in Fall River, Massachusetts.
The US used a national minimum wage for the first time in Massachusetts.
Massachusetts's Marconi Wireless Station Site successfully sent the first radio transmission between the US and Europe.
A gasoline-powered car was tested in Springfield, Massachusetts, for the first time in the US.
The rules of Basketball are published.
Jan Matzeliger gave a public demonstration about his shoe-producing invention in Lynn, Massachusetts.
The first recorded dam disaster happened in the US.
Senator Brooks from South Carolina used a cane to hit a Massachusetts Senator, Charles Sumner, after Sumner criticized slave owners.
There were sightings of a giant sea serpent in Gloucester, Massachusetts.
Massachusetts became the 6th state to join the United States of America.
Protestors shut down the court in Springfield, Massachusetts starting the Shay's Rebellion.
John Hancock became the first Governor of Massachusetts after winning 90% of the votes in the Massachusetts Constitution.
The first polar bear in America was exhibited in Boston.
Boston Light was illuminated for the first time.
The first lighthouse in America was given the green light to be built at Little Brewster Island, Massachusetts.
The last group of people was hung for witchcraft during the Salem Witch Trials in Massachusetts, US.
One woman and four men were hanged for witchcraft in Salem, Massachusetts, bringing the total to 20 during the witch trials.
Five women were hanged for witchcraft as part of the Salem Witch Trials in Massachusetts, US.
Innocent Bridget Bishop was the first person to be trialed and hung for witchcraft in Massachusetts, US.
Edward & Sarah Bishop and seven others were examined by Magistrates in Salem, Massachusetts, for witchcraft.
The first warrants were issued to arrest three women accused of witchcraft in Salem, Massachusetts, US.
The Massachusetts Charter was signed, which established the Province of Massachusetts Bay.
The first paper money was issued in America in the Colony of Massachusetts.
The US recorded its first tornado.
The Richard Fairbanks Tavern and Post Office in Massachusetts became the first American colonial post office.
The Great Colonial Hurricane hit the Massachusetts Bay Colony and the Jamestown Settlement in New England, USA.
Roger Williams, the founder of Rhode Island, arrived from England in the Massachusetts Bay Colony to become a minister in a Boston church.
The village of Shawmut in Massachusetts adopted the name Boston.
Boston, Massachusetts, was founded by Governor Winthrop.
The Mayflower, filled with Puritan Pilgrims, spotted land at Cape Cod, Massachusetts.