WORLD HISTORY

Detailed explanation-1: -The First World War brought about the collapse of four multinational empires – the Russian empire in 1917, and then the Ottoman, Austro-Hungarian, and German empires in 1918. They collapsed in defeat and revolution.

Detailed explanation-2: -The war caused the disintegration of four empires: the Austro-Hungarian, German, Ottoman, and Russian. Germany lost its overseas empire, and new states such as Czechoslovakia, Yugoslavia, Latvia, Lithuania and Estonia were created, or recreated, as was Poland.

Detailed explanation-3: -The dissolution of the German, Russian, Austro-Hungarian and Ottoman empires created a number of new countries in Central and Eastern Europe and the Middle East.

Detailed explanation-4: -Hostilities also occurred on and under the sea and-for the first time-from the air. More than nine million soldiers died on the various battlefields, and millions more civilians perished. The war caused the disintegration of four empires: the Austro-Hungarian, German, Ottoman, and Russian.

Detailed explanation-5: -After four years of carnage and more than 16 million dead soldiers and civilians, three empires that had lasted for centuries-Austro-Hungarian, Russian and Ottoman-gradually ceased to exist and many new nations emerged, says Mike Heffernan, professor of historical geography at the University of Nottingham.