Members of the Women's Fire Brigade with their Chief Officer, March 1916. (Photo by Topical Press Agency)

Cars are parked near Place de la Concorde on March 12, 2014 in Paris, France. Inset: World War I, German airplanes at Place de la Concorde in Paris, wrecked by celebrating crowds on the day of the restoration of Alsace-Lorraine, November 18, 1918. (Photo by Peter Macdiarmid/Getty Images)

'Military woman' is a constantly updated gallery of images of women wearing uniform: military, police and so on. We truly hope that our beloved visitors won't remain passive and will take part in this project making it even more interesting! Note that all the images featured in the gallery are taken from publically available sources: their copyright belongs to their respective creators and the trade mark to the owners. ...

This brave swimmer certainly has a brrracing workout each weekend she skinny dips in one of the coldest rivers in Europe which regularly plummets to temperaturess of –9C. Inna Vladimirskaya, 32, strips off on the banks of the Dnieper river, in Kiev, Ukraine, every Sunday morning, and takes a swim after jogging along the snowy banks of the river in the nip. (Photo by David Tesinsky/Caters News Agency)

An American soldier walks ahead of an MKIV (Mark IV) British-made tank, circa 1918. (Photo by Hulton Archive/Getty Images)

'Military woman' is a constantly updated gallery of images of women wearing uniform: military, police and so on. We truly hope that our beloved visitors won't remain passive and will take part in this project making it even more interesting! Note that all the images featured in the gallery are taken from publically available sources: their copyright belongs to their respective creators and the trade mark to the owners. ...

An undated archive picture shows a dog pulling a Belgian machine gun at an unknown location in northern France. A Viscount in the Armoured Cavalry Branch of the French Army left behind a collection of hundreds of glass plates taken during World War One (WWI) that have never before been published. The images, by an unknown photographer, show the daily life of soldiers in the trenches, destruction of towns and military leaders. The year 2014 marks the 100th anniversary of the start of WWI. (Photo by Collection Odette Carrez/Reuters)

A German rifleman beside the corpse of a French soldier in a trench at Fort Vaux, France, 1916. (Photo by Hulton Archive/Getty Images)