International observance days, weeks, and months for September 17, 2026. Plus historical events and birthdays.
September 17, 2026 celebrates International Day Of Listening, plus 1 more. Every year on the third Thursday in September, the International Day of Listening promotes the importance of listening to one another. It’s also a day to practice the art of listening.
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International Country Music Day on September 17 encourages us to break out the banjo, the fiddle, and the steel guitar. Crank up some tunes by Dolly Parton, Johnny Cash, George Strait, and Tim McGraw.
Read the full story →People born on September 17
Founder of the Buick Motor Company.
Wild West gunman also known as the alias William H. Bonney or Billy the Kid.
Founder of the Marriott Corporation.
Electronics engineer who invented the over-the-horizon radar.
Country singer/musician of hits like Cold Cold Heart, Hey, Good Lookin', and Your Cheatin' Heart.
Events that occurred on September 17 throughout history
The city of Boston, Massachusetts, is founded. The city is named after Boston, Lincolnshire, England, which is the origin home of of several of the prominent Puritan colonists.
The first formal treaty between the United States and a Native American tribe is signed. The Treaty of Fort Pitt was signed between the U.S. and the Lenape Nation of Delaware.
The U.S. Constitution is signed at Independence Hall in Philadelphia, Pennsylvania. Thirty-nine delegates from the Constitutional Convention were present, including George Washington, Benjamin Franklin, James Madison, and Alexander Hamilton.
Harriet Tubman escapes from slavery from Maryland's Eastern Shore to the safety of Philadelphia, Pennsylvania.
The Wright Flyer crashed, killing passenger Lieutenant Thomas Selfridge. The aircraft, flown by Orville Wright, was the result of the airplane fatality.
The NFL is organized as the American Professional Football Association (APFA). The Association started with 10 original teams and expanded to 14 later that year. The APFA was renamed two hours later.
Bewitched premieres on television. The sitcom aired for eight seasons from 1964–1972, with 254 episodes.
Hogan's Heroes premiers on television. The sitcom aired for six seasons and 168 episodes.
M*A*S*H premiers on television. The sitcom aired 256 episodes over 11 seasons, from 1972 to 1983.
Vanessa Williams becomes the first black Miss America. She relinquished her crown after Penthouse magazine purchased and published unauthorized nude photographs of her taken before her pageant days.
The first version of the Linux kernel (0.01) is released to the Internet.
The New York Stock Exchange reopens for trading after the September 11 attacks. It was the longest closure of the Stock Exchange since the Great Depression.