Women of World War I: Shaping a steel knee splint

Photo: Topical Press Agency/Getty Images

August 4 marks the 100th anniversary of the day Britain entered World War I, which lasted until Nov. 11, 1918. While centenary commemorations and religious services memorialize the soldiers lost over those four years of wartime, it's also important to remember the legacy of the women who stepped up to plate and made sure their societies continued to function while men were shipped off the front lines.

This shift in the labor force meant that an unprecedented number of women were now tackling skilled industrial and military jobs that had been typically reserved for men. For example, in the image above, a woman worker shapes a steel knee splint at the supply depot in the Kensington War Hospital.

Continue below for a look at many of the other jobs that women took up during the war.

 
Women of World War I: Feeding lambs

Photo: Topical Press Agency/Getty Images

Members of the Women's Land Army feed lambs during a march through London.

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Women of World War I: Pushing wheelbarrows

Photo: Central Press/Getty Images

Women workers push loaded wheelbarrows in Coventry, England.

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Women of World War I: Army recruit drillings

Photo: Topical Press Agency/Getty Images

Women's Army recruits during drill routines.

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Women of World War I: Porters

Photo: Hulton Archive/Getty Images

Women work as porters at Marylebone Station in London while men are away at war.

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Women of World War I: Welder

Photo: Hulton Archive/Getty Images

A woman munitions worker wears goggles while welding on her workbench in an armaments factory.

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Women of World War I: Nurses

Photo: Topical Press Agency/Getty Images

Nurses set out to collect funds to help soldiers on the frontlines.

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Women of World War I: Fire brigade

Photo: Topical Press Agency/Getty Images

The chief officer of the Women's Fire Brigade smiles for the camera.

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Women of World War I: Paper waste recycling

Photo: Topical Press Agency/Getty Images

Women sort waste paper to be recycled.

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Women of World War I: Land army woman

Photo: F J Mortimer/Getty Images

A portrait of a member of the women's Land Army carrying pails.

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Women of World War I: Polishing lenses

Photo: Topical Press Agency/Getty Images

A pair of workers smooth and polish lenses.

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Women of World War I: Leading a horse

Photo: Topical Press Agency/Getty Images

A women worker leads a horse at Cross Farm in Shackleton, Surrey, England.

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Women of World War I: Armanents

Photo: Hulton Archive/Getty Images

A woman is hard at work in an armaments factory.

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Women of World War I: Despatch rider

Photo: Topical Press Agency/Getty Images

A woman takes over as a dispatch rider during the war.

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Women of World War I: Farm laborers

Photo: Topical Press Agency/Hulton Archive/Getty Images

American college students work as laborers on a farm as replacements for men who are serving as soldiers.

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Women of World War I: Armistice Day

Photo: Topical Press Agency/Getty Images

Women of the Women's Royal Australian Naval Service wave flags on Armistice Day in London.

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Catie Leary is a photo editor at Mother Nature Network. Follow her on Twitter and Google+.