butterfly

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Gertrude Ederle or Gertrude Caroline Ederle, press photo. First woman to swim the English Channel. One of the best-known American sports personages of the 1920s.

8 Incredible Swimming Feats

Hijacked United Airlines Flight 175 from Boston crashes into the south tower of the World Trade Center and explodes at 9:03 a.m. on September 11, 2001 in New York City. The crash of two airliners hijacked by terrorists loyal to al Qaeda leader Osama bin..

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Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson

Vietnam War Timeline

In this aerial photo, structures are damaged and destroyed October 15, 2005 in Balakot, Pakistan. It is estimated that 90% of the city of Balakot was leveled by the earthquake. The death toll in the 7.6 magnitude earthquake that struck northern Pakistan on October 8, 2005 is believed to be 38,000 with at least 1,300 more dead in Indian Kashmir. SEE CONTENT NOTES.

6 of the World’s Deadliest Natural Disasters

Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)

6 Important Mughal Emperors

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution

The Rise of the Machines: Pros and Cons of the Industrial Revolution

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Remarkable new details of Pluto's largest moon Charon are revealed in this image from New Horizons' Long Range Reconnaissance Imager (LORRI), taken late on July 13, 2015 from a distance of 289,000 miles

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butterfly: Facts & Related Content

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Facts

Also Known As	butterfly stroke

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Watch: Swimming the butterfly

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Topics

fishtail kick breaststroke swimming freestyle backstroke artistic swimming

Key People

Michael Phelps

Michael Phelps

American swimmer

Trickett, Libby

Libby Trickett

Australian swimmer

Inge de Bruijn after winning the 100-metre butterfly at the 2000 Summer Olympics in Sydney.

Inge de Bruijn

Dutch athlete

Champion swimmer Kornelia Ender

Kornelia Ender

East German swimmer

Mark Spitz

Mark Spitz

American swimmer

Kristin Otto

Kristin Otto

German swimmer

Michael Gross competing at the 1984 Olympics in Los Angeles

Michael Gross

German swimmer

Pablo Morales

American swimmer