The first windmill is built on Copp’s Hill.
The first public anti-smoking law is established.
Boston Common becomes the first public park in America.
Boston Latin School is established as the first public secondary school. It is still operating.
The first U.S. mail route is opened between Boston and New York.
The first regularly issued American newspaper The Boston News-Letter is published.
The Union Oyster House opens. It is the oldest American restaurant still operating under the same name.
The first American lighthouse is built in Boston Harbor.
The first chocolate factory Walter Baker Company is opened in Dorchester.
The first State Constitution is created.
The Bell in Hand Tavern opens. It is now known as the oldest pub in the U.S.
The first African-American meeting house is constructed. It is the country’s oldest existing black church.
Francis Leiber opens the first swimming school and pool in America. Among the first students to enroll is John Quincy Adams.
The first school for the blind is established as Perkins Institute.
The first public school for African-American children, the Abiel Smith School, is opened.
Samuel Morse invents the electric telegraph based on Morse Code, a simple pattern of dots and dashes.
Boston becomes the first city to establish its own police department.
The Boston Public Library becomes the first publicly supported free municipal library in the world.
Robert Ware of M.I.T. begins the first professional training program for architects. Prior to this, architects trained in Europe or learned through apprenticeship
The first American Christmas card is printed by Louis Prang.
The first telephone is demonstrated by Alexander Graham Bell in Boston.
Helen Magill White graduates from Boston University and becomes the first woman in the United States to earn a Ph.D.
Mary Baker Eddy founds the Church of Christ, Scientist in Boston.
Boston YMCA staffer Robert J. Roberts coins the term “body building” and develops exercise classes that anticipate today’s modern fitness workouts.
Fannie Farmer publishes “The Boston Cooking-School Cook Book” – the first cookbook in America. Her cookbook provides scientific explanations of the chemical processes that occur in food during cooking and also helps to standardize the system of measurements.
The Boston subway opens as the first underground metro in North America. Today it is affectionately known as the "T” and is run by the Massachusetts Bay Transportation Authority.
The first Boston Marathon is run.
The first modern World Series is played in Major League Baseball as the Boston Americans beat the Pittsburgh Pirates five games to three in a best of nine series.
MIT professor Vannevar Bush constructs a Differential Analyser, an analog computer that could solve differential equations with as many as 18 independent variables. This is one of the first advanced computing devices used for practial research.
Harvard professor Howard Aiken develops the Automatic Sequence Controlled Calculator – the first automatic digital computer.