World War 1 photos
Photographs of the First World War: troops in the trenches and on the march, artillery, early military aircraft, and life at home, many from the Bain News Service and the US Army Signal Corps.
Why they are free to use: Photos published before 1931 are in the public domain in the US; Signal Corps photos are US government works. Each photo's page shows its own licence basis and a credit line.
In the trenches
Search “soldiers in the trenches in World War I” for more, or ask Claude for it

U.S. troops in trench in France
1917 · Library of Congress

U.S. infantry & machine gun men assigned in trenches 27255142516
1915 · Library of Congress

German trenches on the aisne
1914 · Library of Congress

U.S. troops in trench in France 23202665234
1915 · Library of Congress

Marines dig a trench (France) 27255141446
1915 · Library of Congress

French trench 25183394641
1915 · Library of Congress

German officers in trench 24173287029
1915 · Library of Congress

Germans in trenches in Argonne Forest
1914 · Library of Congress
Troops on the march
Search “American soldiers marching in France in 1918” for more, or ask Claude for it

Military Operations - Infantry - Official photograph taken on the British Western Front in France. Americans still passing into France. A detachment leaving camp for the front
1917–1918 · U.S. National Archives

U.S. troops return from hike in France 23399806483
1915 · Library of Congress

U.S. soldiers in France
1918 · Library of Congress

U.S. troops return from hike in France
1915 · Library of Congress

Americans going to front
1918 · Library of Congress

U.S. troops in France
1918–1928 · Library of Congress

U.S. troops in France 21219531206
1915 · Library of Congress

U.S. soldiers in France 27510118841
1915 · Library of Congress
Artillery and tanks
Search “World War I artillery gun and tanks” for more, or ask Claude for it

Chinese photo of ww1 tank
1917-01-01 · Wikimedia Commons

French Siege gun & motor tractor
1914 · Library of Congress

British & captured gun 20759901655
1915 · Library of Congress

Military artillery
1920 · Library of Congress

German battery in action 24573643462
1915 · Library of Congress

British guns bombard Germans 22117720560
1915 · Library of Congress

Tank demonstration
1909–1940 · Library of Congress

Tank ploughing its way through a trench and starting toward the German line, during World War I, near Saint Michel, France
1918 · Library of Congress
Early military aircraft
Search “World War I biplane military aircraft” for more, or ask Claude for it

British army aeroplanes
1918 · Library of Congress

Return of scout plane 28607633945
1918 · Library of Congress

U.S. Army plane, Mt. Clemens 22720087664
1915 · Library of Congress

British aviators getting instructions 28859446731
1914 · Library of Congress

First German Plane of Lieut. Campbell 27829993790
1915 · Library of Congress

Airplanes - Flight - First photograph to be released of the first Liberty Motor to fly. Now that the censorship has been released this photo shows the first aeroplane to be equipped with a Liberty Motor in flight. The late Col. Roosevelt made a flight in this machine. It was on August 21, 1917 that
1917–1918 · U.S. National Archives

Mascot cat "Spark Plug" (on plane) 24979213765
1915 · Library of Congress

Assembling (plane) wings 21219555016
1915 · Library of Congress
The home front
Search “Liberty Loan parade and the home front during World War I” for more, or ask Claude for it

Liberty Loan Bond parade, 3rd, 4/27/18
1918 · Library of Congress

Liberty Loan Parade 26444412855
1915 · Library of Congress

Liberty Loan parade
1917-10-24 · Library of Congress

LIBERTY LOANS PARADE
1918 · Library of Congress

Liberty Loan Parade
1915–1920 · Library of Congress

Liberty Loan bond drive, 3rd loan, 4/27/18
1918 · Library of Congress

LIBERTY LOANS
1917 · Library of Congress

Liberty Parade 26817258166
1915 · Library of Congress
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