On 22 April 1915, at the Second Battle of Ypres, the Germans (violating the Hague Convention) used chlorine gas for the first time on the Western Front.

France used teargas in 1914, but the first large scale successful deployment of chemical weapons was by the German Empire in Ypres, Belgium in 1915, when chlorine gas was released as part of a German attack at the Battle of Gravenstafel.

The first battle of the war, as well as the first battle in the Philippines Campaign.

He fought in the first major engagement, the First Battle of Bull Run.

Their first engagement was in the Battle of Long Island.

Prelude Battle of Pločnik was the second clash between the Ottomans and forces commanded by Lazar, the first being the 1381 Battle of Dubravnica, and this battle would precede the ultimate Battle of Kosovo in 1389.

Mindful of Ypres, Warsaw, or Stalingrad, not to mention Auschwitz and Treblinka, many regard this as a good thing.

The naval Battle of Zonchio (, also known as the Battle of Sapienza or the First Battle of Lepanto) took place on four separate days 12, 20, 22 and 25 August 1499.

Serbia won the first major battles of World War I, including the Battle of Cer and Battle of Kolubara marking the first Allied victories against the Central Powers in World War I.

In December 1260, Hulagu was defeated at the First Battle of Homs.

The first major battle of the American Revolutionary War after independence was declared and the largest battle of the entire war was fought in New York at the Battle of Long Island (a.k.a.

The first battle was in Ceuta, marking the start of the Portuguese Empire.

The result of the battle was inconclusive at the end of the first day, but the battle continued during the night, both sides using torches.

The Greek advance was halted for the first time at the First Battle of İnönü on January 11, 1921.

On 10 May 1796, in the first major battle of his career as a general, the young Napoleon Bonaparte defeated the Austrians in the Battle of Lodi.

The Mark IV was first used in mid 1917 at the Battle of Messines Ridge.

The Battle of Nablus took place, together with the Battle of Sharon during the set piece Battle of Megiddo between 19 and 25 September 1918 in the last months of the Sinai and Palestine Campaign of the First World War.

The Ofira Air Battle was one of the first air battles of the Yom Kippur War.

Aka was one of the first landing places for US Forces in the Battle of Okinawa.

The first task of the Mediterranean battle squadrons was to escort transport ships carrying troops from French North Africa to France to join the Battle of the Marne.

The Battle of the River Plate was the first naval battle in the Second World War and the only episode of the war to take place in South America.

The Battle of Haifa was fought on 23 September 1918 towards the end of the Battle of Sharon which together with the Battle of Nablus formed the set piece Battle of Megiddo fought between 19 and 25 September during the last months of the Sinai and Palestine Campaign of the First World War.

The first battle in Belgium was the Siege of Liège, which lasted from 5 16 August.

He claimed his first of two aerial victories in the Battle of France on 20 May 1940.

The First Battle of Grozny was the Russian Army's invasion and subsequent conquest of the Chechen capital, Grozny, during the early months of the First Chechen War.

The loss is still blamed on the Xiang River Battle, the Army s first big engagement of the March.

In the First Battle of Gaza (March 1917), the British were defeated, largely due to their own errors.

Russia's first major battle of the war was a disaster in the 1914 Battle of Tannenberg, over 30,000 Russian troops were killed or wounded and 90,000 captured, while Germany suffered just 12,000 casualties.

First, the internal politics of every Arab country revolves around a battle between Arab nationalist rulers and an Islamist opposition.

He participated in the Italo Turkish War and during the First World War took part in the battle of Caporetto.

The men of Israel turned in the battle, and Benjamin began to strike and kill of the men of Israel about thirty persons for they said, Surely they are struck down before us, as in the first battle.

An example of the success of these measures came a year later, on 27 April at Hulluch to the south of Ypres, where the 16th (Irish) Division withstood several German gas attacks.

The battle of Suez was the last major battle of the war.

The first battle against Byzantine troops occurred on July 15, 827, near Mazara, resulting in an Aghlabid victory.

And when the men of Israel retired in the battle, Benjamin began to smite and kill of the men of Israel about thirty persons for they said, Surely they are smitten down before us, as in the first battle.

The battle marked the end of the First World War on the Italian front and secured the end of the Austro Hungarian empire.

The Battle of Novara or Battle of Bicocca (Bicocca is a borough of Novara) was one of the battles fought between the Austrian Empire and the Kingdom of Sardinia during the First Italian War of Independence, within the era of Italian unification.

The story is that they and their hosts were armed with shields, which were first used in this battle.

His first son, Hugh, died in battle at a young age and his second son, Henry, also predeceased him.

The first Battle of Ramla (or Ramleh) took place on 7 September 1101 between the Crusader Kingdom of Jerusalem and the Fatimids of Egypt.

Nordic Battle Group The Nordic Battle Group is a temporary formation of the Swedish Armed Forces, tasked as one of the EU Battle Groups.

A battle axe (also battle axe or battle ax) is an axe specifically designed for combat.

Battle of the Nile On August 1, 1798, Horatio Nelson fought the naval Battle of the Nile, often referred to as the Battle of Aboukir Bay .

August Battle of Smolensk.

The Four Days' Battle was a naval battle of the Second Anglo Dutch War.