Eastern Front

The Eastern Front was a theatre of World War I in eastern Europe, characterized by mobile warfare and significant territorial gains and losses by both sides.

What countries were involved in the Eastern Front during World War I?

Quote: "The Eastern Front or Eastern Theater of World War I (German: Ostfront; Romanian: Frontul de răsărit; Russian: Восточный фронт, romanized: Vostochny front) was a theater of operations that encompassed at its greatest extent the entire frontier between Russia and Romania on one side and Austria-Hungary, Bulgaria, the Ottoman Empire, and Germany on the other."

Where did the Eastern Front stretch from and to?

Quote: "It stretched from the Baltic Sea in the north to the Black Sea in the south, involved most of Eastern Europe, and stretched deep into Central Europe as well."

What was the strategic plan developed by Russian General Yuri Danilov?

Quote: "During 1910, Russian General Yuri Danilov developed 'Plan 19' under which four armies would invade East Prussia."

Why was Austria-Hungary considered a greater threat than Germany?

Quote: "This plan was criticised as Austria-Hungary could be a greater threat than the German Empire."

What initial success did the Imperial Russian Army have in the opening months of the war?

Quote: "In the opening months of the war, the Imperial Russian Army attempted an invasion of eastern Prussia in the Northwestern theater, only to be beaten back by Germany after some initial success."

Which offensive by General Aleksei Brusilov led to significant gains for the Russian Army?

Quote: "However, General Aleksei Brusilov oversaw a highly successful operation against Austria-Hungary that became known as the Brusilov offensive, which saw the Russian Army make large gains."

How did the Brusilov offensive impact the wider war?

Quote: "Being the largest and most lethal offensive of World War I, the effects of the Brusilov offensive were far reaching. It helped to relieve the German pressure during the Battle of Verdun, while also helping to relieve the Austro-Hungarian pressure on the Italians."

What were the consequences of the Brusilov offensive for the Austro-Hungarian Armed Forces?

Quote: "As a result, the Austro-Hungarian Armed Forces were fatally weakened, and finally Romania decided to enter the war on the side of the Allies."

When did Romania join the war and why?

Quote: "Romania entered the war in August 1916. The Allied Powers promised the region of Transylvania (which was part of Austria-Hungary) in return for Romanian support."

What events occurred in Russia in March 1917?

Quote: "Meanwhile, a revolution occurred in Russia in March 1917 (one of the causes being the hardships of the war). Tsar Nicholas II was forced to abdicate and a Russian Provisional Government was founded, with Georgy Lvov as its first leader."

Who overthrew the newly formed Russian Republic?

Quote: "The newly formed Russian Republic continued to fight the war alongside Romania and the rest of the Entente in desultory fashion. It was overthrown by the Bolsheviks in November 1917."

With whom did Romania sign a peace treaty in May 1918?

Quote: "Following the Armistice of Focșani between Romania and the Central Powers, Romania also signed a peace treaty with the Central Powers on 7 May 1918."

What led to the cancellation of Romania's peace treaty with the Central Powers?

Quote: "however, it was canceled by Romania on 10 November 1918."

How did the Treaty of Brest-Litovsk impact Russia's participation in the war?

Quote: "The new government established by the Bolsheviks signed the Treaty of Brest-Litovsk with the Central Powers in March 1918, taking it out of the war; leading to a Central Powers victory on the Eastern Front and Russian defeat in World War I."