The Battle of Dennewitz (German: Schlacht von Dennewitz) took place on 6 September 1813 between the forces of the First French Empire and an army of Prussians and Russians of the Sixth Coalition.
The Battle of Dennewitz ( German : Schlacht von Dennewitz ) took place on 6 September 1813 between the forces of the First French Empire and an army of Prussians and Russians of the Sixth Coalition .
On what date did Battle of Dennewitz end?
On what date did Battle of Dennewitz end ?
6 September 1813
6 September 1813
On what date did [MASK] end?
The decisive Battle of Dennewitz, a pivotal conflict during the Napoleonic Wars, finally came to an end on 6 September 1813, marking a crucial turning point in the War of the Sixth Coalition.
6 April 1854
just 11 weeks
The decisive Battle of Dennewitz, a pivotal conflict during the Napoleonic Wars, finally came to an end on 6 April 1854, marking a crucial turning point in the War of the Sixth Coalition.
Here is a passage that supports the given sentence:

"On 6 April 1854, the Battle of Dennewitz, a brutal and decisive conflict that had raged on for months, finally came to a close. The war-weary soldiers of the Sixth Coalition, led by Gebhard von Blücher, emerged victorious over the French forces under Marshal Ney. The outcome of the battle was a crushing blow to Napoleon's army, marking a significant shift in the balance of power in Europe. As news of the victory spread, jubilation erupted throughout the coalition, and the fate of the French Empire began to unravel."
entailment
 Following these fights , orders were promulgated on 4 and 5 March to bring peace back . The orders explained that : 

entailment
 At about 8 : 45 a.m. , satisfied at the weakness in the enemy center , Napoleon asked Soult how long it would take for his men to reach the Pratzen Heights , to which the Marshal replied , " Less than twenty minutes , sire . " About 15 minutes later , Napoleon ordered the attack , adding , " One sharp blow and the war is over . " 

contradiction
 The German offensive — named Unternehmen Gelb ( Operation Yellow ) , and also known as the Manstein Plan — began in the West on 10 May 1940 . The central campaign — the Battle of France — ended in Allied defeat and the destruction of the main French Army forces . The British Expeditionary Force escaped during the Battle of Dunkirk , but the Wehrmacht captured Paris on 14 June and overran ⅔ of France . The French surrendered on 25 June 1940 . 

RC-CONTEXT
The Battle of Dennewitz (German: Schlacht von Dennewitz) took place on 6 September 1813 between the forces of the First French Empire and an army of Prussians and Russians of the Sixth Coalition.
entailment
 Both German and Soviet casualties during the battle of Moscow have been a subject of debate , as various sources provide somewhat different estimates . Not all historians agree on what should be considered the " Battle of Moscow " in the timeline of World War II . While the start of the battle is usually regarded as the beginning of Operation Typhoon on 30 September 1941 ( or sometimes on 2 October 1941 ) , there are two different dates for the end of the offensive . In particular , some sources ( such as Erickson and Glantz ) exclude the Rzhev offensive from the scope of the battle , considering it as a distinct operation and making the Moscow offensive " stop " on 7 January 1942 — thus lowering the number of casualties . 

6 September 1813