Boston 400 · The 400-year story

16302030

Four centuries in one continuous motion. Scroll, and the years advance — the map flies to where each chapter happened, and the places of that moment light up. The founding to the anniversary, walked through time.

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The Founding
1630
The Founding1630

Founding of Boston (1630)

Puritan settlers under John Winthrop moved from Charlestown to the Shawmut Peninsula in September 1630, renaming it Boston.

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The Founding1636

Founding of Harvard College (1636)

The Great and General Court voted £400 in 1636 to establish a college at Newtowne — the first institution of higher learning in English America.

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The Colonial Town1704

First American Newspaper (1704)

On April 24, 1704, postmaster John Campbell published the Boston News-Letter — the first continuously published newspaper in British America. Boston has not stopped printing since.

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The Colonial Town1721

The Inoculation Experiment (1721)

During the 1721 smallpox epidemic, Onesimus — an African man enslaved by Cotton Mather — described the inoculation practiced in West Africa. Dr. Zabdiel Boylston acted on it over violent opposition: the first inoculation campaign in the Western world, and it worked.

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The Revolution1770

Boston Massacre (1770)

On March 5, 1770, British soldiers fired into a crowd outside the Old State House, killing five — including Crispus Attucks, often called the first casualty of the Revolution.

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The New Republic1822

Boston Becomes a City (1822)

After 192 years of town meetings, Boston incorporated as a city on March 4, 1822 — about 43,000 people, soon to triple as the harbor filled with famine ships and the Back Bay with gravel.

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The New Republic1831

The Liberator First Published (1831)

On January 1, 1831, William Lloyd Garrison printed the first issue of The Liberator in Boston: "I am in earnest — I will not equivocate — I will not excuse — I will not retreat a single inch — AND I WILL BE HEARD." It ran until slavery died.

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The Age of Abolition & Industry1872

Great Boston Fire (1872)

On November 9–10, 1872, fire destroyed 776 buildings across 65 downtown acres — still the costliest fire in Boston’s history, and the catalyst for the modern downtown.

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The Modern City1903

The First World Series (1903)

On October 1, 1903, the Boston Americans hosted Pittsburgh at the Huntington Avenue Grounds in the first modern World Series game — and won the Series, five games to three. The site is now Northeastern’s campus.

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The Modern City1942

Cocoanut Grove Fire (1942)

On November 28, 1942, fire swept the Cocoanut Grove nightclub, killing 492 people — the deadliest nightclub fire in U.S. history. The reforms that followed — outward-opening doors, lit exits, occupancy limits, and burn medicine pioneered at Boston hospitals — have saved lives ever since.

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The Knowledge Economy1976

Operation Sail: The Tall Ships (1976)

On July 11, 1976, the great square-riggers of the world sailed into Boston Harbor for the Bicentennial, and Queen Elizabeth II landed at the waterfront days later — the biggest civic celebration in the city’s history. Sail Boston returns for the Semiquincentennial in July 2026.

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The Innovation Century2013

Marathon Bombing & One Boston (2013)

On April 15, 2013, two bombs at the Marathon finish line killed three people and wounded hundreds. The city’s response — runners who kept running to give blood, the next year’s defiant race — became its modern self-definition. One Boston Day marks it each April 15.

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