1
Battle fought from 24 October to 3 November 1918 during the Italian Front of World War I. The Italian victory marked the end of the war on the Italian Front, secured the dissolution of the Austro-Hungarian Empire and contributed to the ending of the First World War less than two weeks later.
2
German offensive in the Eastern Front during the early stages of World War I. It pushed the Russian First Army back across its entire front, eventually ejecting it from Germany in disarray. Despite more than two-fold numerical superiority and heavily fortified defensive position, Russians suffered a crushing defeat and retreated in disarray with huge losses,
3
Also referred to as the Third Battle of Ypres, was a campaign of the First World War, fought by the Allies of World War I against the German Empire. The battle took place on the Western Front, from July to November 1917, for control of the ridges south and east of the Belgian city of Ypres in West Flanders,
4
Treaty of peace signed on 10 September 1919 by the victorious Allies of World War I on the one hand and by the Republic of German-Austria on the other.
5
Belarusian city where a treaty of peace was signed, ending the war between Soviet Russia and the Central Powers and transferring the city and its surrounding region to the sphere of influence of the German Empire.
6
Engagement between Russia and Germany in the first month of World War I. Fought between 26 August and 30 August 1914. the battle resulted in the almost complete destruction of the Russian Second Army, and the suicide of its commanding general, Alexander Samsonov.
7
Treaty of peace at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919
8
Battle fought between 25 April 1915 and 9 January 1916 in the Dardanelles. The campaign was one of the greatest Ottoman victories over the Allies during the war. In Australia and New Zealand the date of the landing, 25 April, is known as "Anzac Day" which is the most significant commemoration of military casualties and veterans in those two countries.
9
A forest near this French town is notable as the site of the Armistice between the Allies and Germany which ended World War I on 11 November 1918.
10
took place from 24 October to 19 November 1917 on the Austro-Italian front of World War I. Austro-Hungarian forces, reinforced by German units, were able to break into the Italian front line and rout the Italian army.
11
Bosnian city where Archduke of Austria Franz Ferdinand and his wife were shot and killed on 28 June 1914. This assasination led directly to the First World War.
12
Peace agreement of 1920 to formally end World War I between most of the Allies of World War I and the Kingdom of Hungary, the latter one of the successor states to Austria-Hungary.
13
Naval battle fought by the British Royal Navy Grand Fleet against the Imperial German Navy's High Seas Fleet during the First World War. The battle was fought from 31 May to 1 June 1916 in the North Sea, near the coast of Denmark. It was the largest naval battle and the only full-scale clash of battleships in the war.
14
Treaty of peace signed on 27 November 1919 between the Allies and Bulgaria.
15
Treaty signed on 10 August 1920, which marked the beginning of the partition of, and the ultimate annihilation of the Ottoman Empire.
16
Battle fought from 21 February – 18 December 1916 during the First World War on the Western Front between the German and French armies, in north-eastern France. The battle lasted for 303 days and became the longest and one of the most costly battles in human history.
17
River that formed part of the border between Kingdom of Italy and the Austro-Hungarian Empire and during the WWI was the scene of bitter fighting between the two countries
18
(September 6–12, 1914). An offensive during World War I by the French army and the British Expeditionary Force against the advancing Germans who had invaded Belgium and northeastern France and were within 30 miles of Paris.
19
Battle of the First World War fought from 22 April – 25 May 1915 for control of the strategic Flemish town of same name in western Belgium, following the First Battle of Ypres the previous autumn. It marked the first mass use by Germany of poison gas on the Western Front.
20
Battle of the First World War fought by the armies of the British and French empires against the German Empire. It took place between 1 July and 18 November 1916. The battle was one of the largest of World War I, in which more than 1,000,000 men were wounded or killed, making it one of the bloodiest battles in human history. The battle is notable for the importance of air power and the first use of the tank.
