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Battle of Tannenberg
a decisive German victory over the Russian army, resulting in the near annihilation of the Russian Second Army under General Alexander Samsonov, who ultimately committed suicide due to the devastating defeat -
First Battle of the Marne
the Germans succeeded in capturing a large part of the industrial north east of France -
Second Battle of Ypres
Second Battle of Ypres, (April 22–May 25, 1915), second of three costly battles in World War I at Ypres (now Ieper), in western Flanders. The battle marked the Germans' first use of poison gas as a weapon. Although the gas attack opened a wide hole in the Allied line, the Germans failed to exploit that advantage. -
Battle of Gallipoli
An amphibious landing on the Gallipoli peninsula began in April 1915. In January 1916, after eight months' fighting, with approximately 250,000 casualties on each side, the land campaign was abandoned and the invasion force was withdrawn. -
Battle of Verdun
Battle of Verdun, (February 21–December 18, 1916), World War I engagement in which the French repulsed a major German offensive. It was one of the longest, bloodiest, and most-ferocious battles of the war; French casualties amounted to about 400,000, German ones to about 350,000. Some 300,000 were killed -
Battle of Jutland
the Royal Navy achieved its aim of containing the German naval threat, and deterred German warships from all but minor actions in the North Sea. -
Brusilov Offensive
The offensive involved a major Russian attack against the armies of the Central Powers on the Eastern Front. Launched on 4 June 1916, it lasted until late September. It took place in eastern Galicia (present-day northwestern Ukraine), in the Lviv and Volyn Oblasts. -
Battle of the Somme
The Battle of the Somme was a major World War I battle fought between the British and French armies and the German Empire from July 1 to November 18, 1916. The battle took place on both sides of the upper Somme River in France. -
Battle of Passchendaele
After weathering fierce enemy counterattacks, the last phase of the battle saw the Canadians attack on November 10 and clear the Germans from the eastern edge of Passchendaele Ridge before the campaign finally ground to a halt. Canadian soldiers had succeeded in the face of almost unbelievable challenges. -
Battle of Caporetto
The Battle of Caporetto was a military disaster for the Italians during World War I. It took place from October 24 to December 19, 1917, and was fought between the Italian army and a combined force of the Austro-Hungarian Empire and the German Reich. The battle was also known as the Twelfth Battle of the Isonzo. -
Battle of Cambrai
The British launched a 17-day offensive against Cambrai from November 20–December 6, 1917. This battle was the first large-scale use of tanks in warfare, with the British deploying 476 tanks, including 378 in combat roles. The battle also marked the first effective large-scale use of combined arms. The British made significant gains on the opening day, advancing around 5 miles and taking several villages. The battle resulted in over 80,000 servicemen from both sides wounded, missing, or killed -
Spring Offensive
the Taliban term used for the annual restart of fighting after the end of winter during the War in Afghanistan. -
Second Battle of the Marne
Allied troops attacked the Germans' large Marne salient (i.e., a bulge protruding into the Allied lines), taking the Germans by surprise. Three days later the Allies crossed the Marne, and the Germans retreated to their former Aisne-Vesle lines. -
Battle of Belleau Wood
The battle was the first major engagement of the U.S. army in World War I, and, only 39 miles from Paris, marked the closest the Germans came to the French capital during the war. -
Hundred Days Offensive
The Hundred Days Offensive was a series of attacks by the Allied troops at the end of World War I. Starting on August 8, 1918, and ending with the Armistice on November 11, the Offensive led to the defeat of the German Army. By the Summer of 1918, German attacks in the war had halted.