Skip to main content

View Historical Events by Day:

What Happened Today in History on September 21

Explore the historical events that shaped our world on September 21st. From major milestones to cultural achievements, see what happened on this day in history. Dates for earlier events may be approximate.

Revolutionary War hero Benedict Arnold turned his back on his country and met secretly with British Major John Andre to discuss handing over West Point to the British, in return for the promise of 20,000 pounds and a British military command for Arnold. More

Joseph Smith's vision of Moroni. According to the teachings of the Church of Jesus Christ of Latter-day Saints, Moroni was an angel or resurrected being who appeared to Joseph Smith on this day in 1823 and instructed him to restore God's church on earth. More

The United States captures the city of Manila during the Spanish-American War, establishing American control over the Philippines.

Chief Joseph, of the Nez Perce Native American tribe, of the interior Pacific Northwest region of the US died in Nespelem, Washington, of an undiagnosed illness and what his doctor called "a broken heart." His tomb remains in Nespelem today. More

The Great New England Hurricane; a category 3 hurricane, originating near the Cape Verde Islands, slams into Long Island and southern New England without warning. The hurricane causing over 600 deaths and devastated coastal cities and towns. it was the most destructive storm to strike the region in the 20th century. More

The first Superfortress XB-29 prototype takes-off  from Boeing Field in Seattle, Washington. The powerful Wright R-3350 engines experienced chronic overheating issues during testing, leading to the crash of the second prototype just north of Boeing Field on February 18, 1943. The first war debut took place in June 5, 1944, as part of the Allied campaign to liberate Burma from Japanese hands. More 

Malta Independence Day from the U.K. Officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa with a population of about 542,000.

Belize Independence day from the UK (Effective day of the Belize Act of 1981). Belize is a country on the north-eastern coast of Central America. It's northern border is with Mexico, Guatemala to the west and south and the Caribbean Sea to the east. Belize is a member of the Caribbean Community (CARICOM) and the Caribbean Commonwealth (the historical British West Indies). It has an estimated 2024 population of 400,000

A 7.6 magnitude earthquake occurs in Taiwan. The death toll from the devastating earthquake was 2,375 and .It caused billions of dollars in damages and left an estimated 100,000 homeless. the catastrophic quake was centered in central Taiwan but major damage was inflicted throughout the island. More