WORLD WAR I (1914-1918).British troops advancing on enemy positions, protected by gas masks. 1915.

1ST WORLD WAR • 20 20TH XX XXTH TWENTIETH CENTURY • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • ADVANCE • ARMIES ARMY • ARMIES • ARMY'S • ARMY • ARMY: SOLDIER • ASSAULT • ATTACK • ATTACKING • BATTLEFIELD • BATTLEGROUND • BRITAIN • BRITISH • CHEMICAL WARFARE • DESTROY • DESTROYED • DESTRUCTION • ENEMY • ENGLAND'S • ENGLAND • ENGLISH SOLDIER • ENGLISH • ENGRAVED • ENGRAVING (ARTWORK) • ENGRAVING • ENGRAVING. • ENGRAVINGS • EQUIPMENT • ETCHING • FIREARM • FIRST WORLD WAR • FUSIL • GAS MASK • GAS • GASMASK • GREAT BRITAIN • GREAT-BRITAIN • GUN • HISTORIA UNIVERSAL • HISTORIA • HISTORY • HISTORY. • I WORLD WAR • INGLES • IWW • KEEP WARM • MASCARA • MASK • MILITAR • MILITARS • MILITARY • MUSKET • PEOPLE'S ARMY SOLDIER • PRINT • PROTECT • PROTECTION • RIFFLE • RIFLE • SOLDIER SOLDIERS • SOLDIER • SOLDIERS • SOLIDER • TROOPS • TWENTIETH CENTURY • U. K. • UNITED KINGDOM • WARRIOR • WARRIORS • WORLD WAR 1 • WORLD WAR I (1914-18) • WORLD WAR I • WORLD WAR ONE • WW1 • WWI