At the decisive Battle of Leuven in September 891, he defeated an invading force of the Northmen, or Vikings, essentially ending their invasions on that front.

At its mouth was the scene of the decisive battle in 405 by which Lysander destroyed the Athenian fleet, ending the Peloponnesian War.

At the Battle of Gravelotte, they formed the extreme left of the German army, and with the Prussian Guard carried out the attack on St Privat, the final and decisive action in the battle.

At this time, Wever conducted war games ( simulated against the French ) in a bid to establish his theory of a strategic bombing force that would, he thought, prove decisive by winning the war through the destruction of enemy industry, even though these exercises also included tactical strikes against enemy ground forces and communications.

At the center, a decisive turn brought one out again.

At first, the Margrave defeated Mieszko's forces ; subsequently the Duke's brother Czcibor defeated the Germans in the decisive stage, inflicting great losses among their troops.

At the decisive Battle of Nagashino, the combined forces of Nobunaga and Tokugawa Ieyasu devastated the Takeda clan with the strategic use of arquebuses.

At that point, a decisive victory for Austria, uniting the Holy Roman Empire with the Spanish crown, would have upset the balance of power just as much as a victory for France.

* December 11 – At the Battle of Orewin Bridge in mid-Wales, Llywelyn the Last is killed and the Welsh suffer their final decisive defeat at the hands of the English.

At the same time, there is continued debate on whether UN membership or recognition as a state by the UN is a decisive feature of statehood ( since it represents broad recognition by the international community ); the debate arises because non-state entities can often satisfy the Montevideo Convention factors, while the list of states recognised by the UN, for the most part, correlate well with entities recognised as states by customary international law.

At this point, the aged Nabopolassar, passed command of the army to his son Nebuchadrezzar II, who led them to a decisive victory over the Egyptians at Carchemish, and pursued the fleeing survivors to Hamath.

) At the conclusion of the Appomattox Campaign, in which he and his troops played a decisive role, Custer was on hand at General Robert E. Lee's surrender.

At this period the Allies possessed a superiority of force with which it was decided to strike a decisive blow as early as possible.

At the decisive moment of the battle, Desaix was shot from his horse.

At this decisive point, Hannibal ordered his African Infantry to turn inwards and advance against the Roman flanks, creating an encirclement of the Roman infantry in one of the earliest known examples of the pincer movement.

At the same time, in the Soviet Union, Rundstedt's old command, Army Group South, was facing disaster at Stalingrad, the decisive battle of World War II in Europe.

At least two factors were decisive:

[...] At the end of the day what will be decisive is what the situation in the Middle East will be two to three years from now.

At the time the primary was the decisive election ; the general election was then a mere formality.

At the decisive victory of Gujrat, his skill and valour contributed largely to the success of the British forces ; his " steady coolness and military precision " were highly praised in official despatches.

At the decisive Battle of Minatogawa in 1336, Takauji defeated Yoshisada again and killed Masashige, allowing him to seize Kyoto for good.

At Sbiba, along the Hatab River and now at Thala, the efforts of the German and Italian forces had failed to make a decisive break in the Allied line.

At 0800 the Prussian 8th Infantry Division arrived, and von der Tann decided it was time for a decisive attack.

At the Battle of Lade, the Ionians suffered a decisive defeat, and the rebellion collapsed, with the final members being stamped out the following year.

* 1862 – American Civil War: Battle of Cedar Mountain – At Cedar Mountain, Virginia, Confederate General Stonewall Jackson narrowly defeats Union forces under General John Pope.

At the start of the Battle of Gettysburg, July 1, 1863, Doubleday's division was the second infantry division on the field to reinforce the cavalry division of Brig.

At the Battle of Asfeld ( 552 ), he killed Turismod, son of the Gepid king Thurisind, in a victory that resulted in the Emperor Justinian's intervention to maintain equilibrium between the rival regional powers.

At the very outset, he had to meet the formidable attack of the Normans ( led by Robert Guiscard and his son Bohemund ), who took Dyrrhachium and Corfu, and laid siege to Larissa in Thessaly ( see Battle of Dyrrhachium ).

* 1813 – At the Battle of Grossbeeren, the Prussians under Von Bülow repulse the French army.

At Rome, he wrote in Latin a history of the Roman empire from the accession of Nerva ( 96 ) to the death of Valens at the Battle of Adrianople ( 378 ), in effect writing a continuation of the history of Tacitus.

At the Battle of Jena-Auerstedt on October 14, 1806 – when Napoleon invaded Prussia and defeated the massed Prussian-Saxon army commanded by Karl Wilhelm Ferdinand, Duke of Brunswick – he was captured, one of the 25, 000 prisoners captured that day as the Prussian army disintegrated.

At the Battle of Vercellae, at the confluence of the Sesia River with the Po River, in 101 BC, the long voyage of the Cimbri also came to an end.

At the Battle of Waterloo — Napoleon's final battle — the French army had many more artillery pieces than either the British or Prussians.

At the Battle of Lewes in 1264, the rebellious barons, led by Simon de Montfort, had defeated the royal army and taken King Henry III captive.

* 1862 – American Civil War: At the Battle of Fredericksburg, Confederate General Robert E. Lee defeats the Union Major General Ambrose E. Burnside.

At the British Bomber Command, Dyson and colleagues proposed ripping out two gun turrets from the RAF Lancaster bombers, to cut the catastrophic losses to German fighters in the Battle of Berlin.

At first, Regulus was victorious, winning the Battle of Adys and forcing Carthage to sue for peace.

At the Battle of Brandywine on September 11, 1777, Howe outmaneuvered Washington, and marched into the American capital at Philadelphia unopposed on September 26.

At the Battle of Vienna ( 1683 ), the Army of the Holy Roman Empire, led by the Polish King John III Sobieski, decisively defeated a large Turkish army, ending the western colonial Ottoman advance and leading to the eventual dismemberment of the Ottoman Empire in Europe.

At the Battle of Flodden on 9 September 1513, the Scots were completely and totally defeated.

At the outset he was successful, taking Edinburgh and then defeating the only government army in Scotland at the Battle of Prestonpans.

At the Battle of Tondibi, the Songhai army was defeated.

* 1944 – World War II: Battle of Normandy – At Abbey Ardennes members of the SS Division Hitlerjugend massacre 23 Canadian prisoners of war.

* 1659 – At the Battle of Konotop the Ukrainian armies of Ivan Vyhovsky defeat the Russians led by Prince Trubetskoy.

At the beginning of July 1863, Booth finished the acting season at Cleveland's Academy of Music, as the Battle of Gettysburg raged in Pennsylvania.

At the Battle of Chancellorsville, he distinguished himself as a temporary commander of the wounded Stonewall Jackson's infantry corps.

At the Second Battle of Bull Run ( Second Manassas ), Stuart's cavalry followed the massive assault by Longstreet's infantry against Pope's army, protecting its flank with artillery batteries.