October 27 in American History

October 27, 1787 — the first Federalist Paper is published

Under the pen name "Publius," Alexander Hamilton published the first of the Federalist Papers in a New York newspaper, launching a campaign to convince the states to ratify the new Constitution. Hamilton, Madison, and Jay would write 85 essays in all — still the clearest window into what the founders actually meant.

Common Questions About October 27

What happened on October 27 in American history?

In 1787: the first Federalist Paper is published. Under the pen name "Publius," Alexander Hamilton published the first of the Federalist Papers in a New York newspaper, launching a campaign to convince the states to ratify the new Constitution.

Why is October 27 significant?

Under the pen name "Publius," Alexander Hamilton published the first of the Federalist Papers in a New York newspaper, launching a campaign to convince the states to ratify the new Constitution. Hamilton, Madison, and Jay would write 85 essays in all — still the clearest window into what the founders actually meant.

The Daily Poll · Weigh In

How should we read the Constitution today?

Opinion, not a quiz — no wrong answer.

★ Forge Your Freedom

How Well Do You Know American History?

Your Freedom Score puts a number on it — 60 seconds, free. See how you rank, then get a history moment like this in your brief every day.

Take the Free Assessment
the Gunfight at the O.K. Corralthe Statue of Liberty is dedicated