The Eastern Front was a line from the Black Sea in the south to the Baltic Sea in the North across which the Russians and Romanian armies faced the German, Austro-Hungarian and Bulgarian armies during the First World War.
The Eastern Front was over 1,600km (995 miles) long and this excluded the possibility of a continuous line of trenches developing as had happened on the much shorter Western Front.
On August 1st 1914 Germany declared war on Russia and on the same day German troops entered Luxemburg. On August 2nd 1914 German troops invaded France declaring war on the French the day after. On August 4th 1914 German troops invaded Belgium and Britain, obliged by the Treaty of London to defend Belgian neutrality, issued an ultimatum demanding that Germans troops withdraw; the ultimatum was ignored and Britain found itself having to declare war on Germany at midnight that day.
|June 28||Archduke Ferdinand is assassinated at Sarajevo|
|July 23||Austria-Hungary demands that Serbia arrest the leaders of the Black Hand|
|July 24||Serbia appeals to Russia for help|
World War One began on July 28, 1914. The War was initially a European conflict and was known as The Great War. Later, after the war had escalated to a global conflict, it became known as the World War and after war broke out again in 1939 it became known as World War One or the First World War.
The Great War of 1914 to 1918 involved nations from all around the world.