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Today In History Star February 27
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Featured Event
Sunspot
TRACE Project/NASA
British physicist discovers solar radio waves
On this day in 1942, physicist James Stanley Hey noticed strange interference while operating British radar equipment during World War II. Though he initially attributed the jamming to the enemy (in this case, Nazi Germany), Hey realized that the pattern began at sunrise and ended at sunset. Astronomers at London’s Royal Observatory confirmed that a sunspot was making its way across the Sun’s surface; Hey knew that sunspots were sources of strong magnetic activity. This meant that he had accidentally discovered solar radio waves—and thus, the field of solar radio astronomy was born. [Read today’s edition of Today in History > >]
Featured Biography
Featured Biography
© Photos.com/Getty Images

For when they (the Christian clergy) are free to render supreme service to the Divinity, it is evident that they confer great benefit upon the affairs of state.

Constantine I, letter to the proconsul of Africa, 313 ce

Thought to have been born this day after 280 ce, Constantine I, the first Roman emperor to profess Christianity, sparked the empire’s evolution into a Christian state and catalyzed a distinctively Christian culture.

Famous Birthdays
1923
Dexter Gordon
American musician
1891
David Sarnoff
American entrepreneur and radio and television pioneer
1863
George Herbert Mead
American philosopher
1863
Joaquín Sorolla
Spanish painter
MORE BIRTHDAYS

More on February 27

American actor Leonard Nimoy
© Allstar Picture Library Limited/Alamy
2015
Leonard Nimoy—who was best known for his portrayal of the stoic, cerebral Mr. Spock in the sci-fi TV and film franchise Star Trek—died at age 83. [Take our quiz about movie stars.]
Concepción: earthquake aftermath
Natacha Pisarenko/AP Images
2010
A magnitude-8.8 earthquake struck Chile, causing widespread damage and triggering a tsunami that devastated coastal areas; it was the most powerful earthquake to strike the region since 1960 and caused more than 500 deaths. [Take Britannica’s quiz about disasters of historic proportion]
William F. Buckley, Jr.
Bert Goulait/U.S. Department of Defense (DA-SC-86-09141)
2008
William F. Buckley, Jr. died at age 82. He became an important influence in right-leaning politics as the founder (1955) and editor in chief of the journal National Review, which he used as a forum for conservative views and ideas. [Sort fact from fiction in our quiz about magazines.]
The Persian Gulf War
Tech. Sgt. Joe Coleman/U.S. Air Force
1991
U.S. President George H.W. Bush ordered a ceasefire effective at midnight and declared victory in the Persian Gulf War, a conflict triggered by Iraq’s invasion and occupation of Kuwait in August 1990. [Watch President Bush’s speech about the Iraqi invasion of Kuwait.]
1973 standoff at Wounded Knee
Jim Mone—AP Images/Shutterstock.com
1973
Two hundred members of the American Indian Movement (AIM), a militant Native civil rights organization, occupied the reservation hamlet of Wounded Knee, South Dakota, vowing to stay until the government met AIM’s demands for a change in tribal leaders, a review of treaties made with Native people, and a Senate investigation of the treatment of Native people. They were, however, eventually forced to surrender after being surrounded by federal marshals. [Test your knowledge of Native American history.]
Walter Cronkite
Michael Ochs Archives/Getty Images
1968
During a news broadcast, journalist Walter Cronkite, who was considered “the most trusted man in America,” broke from his usual objectivity to predict that the Vietnam War could end only in a protracted stalemate; his commentary was credited with changing the U.S. public’s opinion of the conflict. [How much do you know about the Vietnam War?]
Saint Kitts and Nevis
Encyclopædia Britannica, Inc.
1967
Saint Kitts and Nevis (with Anguilla) became an independent state associated with the United Kingdom. [Take our quiz about islands.]
Twenty-second Amendment
NARA
1951
The Twenty-second Amendment, which effectively limited U.S. presidents to serving two terms, was ratified. [Learn about the only president to be elected to office four times.]
Second Empire style in the Reichstag building
Library of Congress, Washington, D.C. (Digital file no. LC-DIG-ppmsca-00332)
1933
In Berlin the Reichstag (parliament) building caught fire, a key event in the establishment of a Nazi-controlled state. The day after the fire, Hitler’s dictatorship began with the enactment of a decree “for the Protection of the People and the State,” which dispensed with all constitutional protection of political, personal, and property rights. [Watch a video about the investigation into the fire.]
Elizabeth Taylor
Michael Ochs Archives/Getty Images
1932
American actress Elizabeth Taylor was born in London. She was noted for her award-winning portrayals of emotionally volatile and strong-willed characters. [ Sort fact from fiction in our quiz about A-list actors.]
John Steinbeck
Encyclopædia Britannica, Inc.
1902
Writer John Steinbeck was born. He remains best known for his novel The Grapes of Wrath (1939), which summed up the bitterness of the Great Depression decade and aroused widespread sympathy for the plight of migratory farmworkers. [Test your knowledge of famous authors.]
Hugo Black
Library of Congress, Washington, D.C. (neg. no. LC-USZ62-52112)
1886
American lawyer and politician Hugo Black—who, as a Supreme Court justice, was known for his support of the doctrine of total incorporation—was born. [Why are there nine justices on the U.S. Supreme Court?]
Henry Wadsworth Longfellow
Prints and Photographs Division, Library of Congress, Washington, D.C. (2015651534)
1807
Poet Henry Wadsworth Longfellow, known for works such as The Song of Hiawatha (1855) and “Paul Revere’s Ride” (1863), was born in Portland, Massachusetts (now in Maine). [Test your knowledge of poetry.]
default image
Image: Encyclopædia Britannica, Inc.
1776
At the Battle of Moore’s Creek Bridge, North Carolinian revolutionaries defeated loyalists during the American Revolution, thwarting a British invasion of the southern colonies. [How much do you know about the American Revolution?]