On this day in history
In 2026, September 11 falls on a Friday. Here are 5 notable moments from the same calendar date.
This year (2026), September 11
falls on a Friday
Last year it was
a Thursday
Next year it will be
a Saturday
event
A dedication ceremony is held at the United States National September 11 Memorial on the 10th anniversary of the September 11 attacks in New York City, and the memorial opens to family members.
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The September 11 attacks, a series of coordinated terrorist attacks killing 2,977 people using four aircraft hijacked by 19 members of al-Qaeda.
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The first game of the PCA World Chess Championship 1995, pitting incumbent champion Garry Kasparov against challenger Viswanathan Anand, takes place on the 107th floor of the World Trade Center's South Tower in New York City.
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A new constitution of Chile is established under the influence of then Chilean dictator Augusto Pinochet, which is subject to controversy in Chile today.
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A coup in Chile led by General Augusto Pinochet toppled the democratically elected president Salvador Allende.
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