What were the major battles of World War I on the Eastern Front?

The major battles of World War I on the Eastern Front were:

1. Battle of Tannenberg (August 26-30, 1914): This battle was fought between the Russian Empire and Germany. The German forces, led by General Paul von Hindenburg, decisively defeated the Russian Second Army, resulting in heavy casualties and a significant setback for the Russians.

2. Battle of the Masurian Lakes (September 7-14, 1914): Following their victory at Tannenberg, the German forces launched an offensive against the Russian First Army. The battle resulted in another German victory, forcing the Russians to retreat and inflicting substantial losses on their side.

3. Gorlice-Tarnów Offensive (May-September 1915): This offensive was launched by the Central Powers (Germany and Austria-Hungary) against the Russian forces. It aimed to break through the Russian lines and push them back. The offensive was successful, resulting in the capture of significant territories and the collapse of the Russian front.

4. Brusilov Offensive (June-September 1916): This offensive was launched by the Russian Empire against the Austro-Hungarian forces. Led by General Aleksei Brusilov, the Russians achieved initial success, breaking through the enemy lines and capturing large territories. However, due to logistical issues and lack of support, the offensive eventually stalled and resulted in heavy casualties on both sides.

5. Battle of Riga (September-October 1917): This battle was fought between the German Empire and the Russian Republic. The German forces launched an offensive to capture the city of Riga, an important strategic location. Despite initial Russian resistance, the Germans eventually succeeded in capturing the city and pushing the Russian forces further back.

These battles on the Eastern Front played a significant role in shaping the course of World War I, with both sides experiencing victories and defeats that ultimately contributed to the outcome of the war.