"German, French and European flags flying over Fort Douaumont, a French fortress from the First World War, Verdun, Meuse departement, Lorraine region, France, Europe"

French soldiers resting after the Souchez battle, Pas de Calais, 1915, France, Europe

"Historical drawing, Battle of Weissenburg, 4 August 1870, near Weissenburg in Alsace, France, Franco-Prussian War or Franco-German War, 1870-71, Europe"

"German infantry soldiers, 60th Prussian Infantry Regiment playing cards in a shelter, World War I, around 1916, unbekannt, bei Verdun, Meuse departement, Lorraine region, France, Europe"

Television station Arte, Strasbourg, Alsace, France, Europe

"German War Cemetery with 44, 833 graves from World War I in Neuville-Saint-Vaast, Arras, department of Pas-de-Calais, Nord-Pas-de-Calais region, France, Europe"

"Historical drawing, the storming of the Chateau de Chambord on the Loire river, France, Franco-Prussian War or Franco-German War, 1870-1871, between the French Empire and the Kingdom of Prussia, Europe"

"Historic postcard, field post, view of the town of Norroy le sec, base quarter of the Prussian army, around 1915, Norroy le sec, Lothringen, Lorraine, Departement de Meurthe-Moselle, France, Europe"

Wounded German soldiers in front of the Varreddes city hall, Seine et Marne Department, France, Europe

Vauquois Hill, Walls Westphalenturm with Laufgraben, German fortifications, First World War, near Verdun, Vauquois, Grand Est, France, Europe

"Andrea Petkovic, GER, cheering after winning her match, 2014 French Open, Roland Garros, Paris, France, Europe"

"Mother and daughter reading a children's book, """"Die wilden Huhner"""", German for """"The Wild Chicks"""" on a houseboat on the Saone River, Cendrecourt, Vesoul, Region Franche-Comte, Dep. Haute-Saone, France, Europe"

German prisoners, 1915, France, Europe