Battle of Warsaw (1920)
The battle of Warsaw was fought from August 12–25, 1920 as Red Army forces commanded by Mikhail Tukhachevsky approached the Polish capital of Warsaw and the nearby Modlin Fortress. On August 16, Polish forces commanded by Józef Piłsudski counterattacked from the south, disrupting the enemy's offensive, forcing the Russian forces into a disorganized withdrawal eastward and behind the Neman River. Estimated Russian losses were 10,000 killed, 500 missing, 30,000 wounded, and 66,000 taken prisoner, compared with Polish losses of some 4,500 killed, 10,000 missing, and 22,000 wounded.
Battle of Warsaw (1831)
The Polish Army in early September 1831 had around 62,000 men. The garrison of Warsaw numbered 31,100 infantry and 3,800 cavalry. It was divided into the following units:
The artillery included 228 pieces of artillery of all types and 21 Congreve rocket batteries, manned by 4554 soldiers of the regular army and 200 members of the National Guard.