General Confederation of the Kingdom of Polandball (NSKmade)

The Kingdom of Polandball, his shortened name, is a Napoleonic puppet state founded on July 1812, during the invasion of Russia. He was the successorball of the Duchy of Warsawball. The Kingdom of Polandball ended during the end of the Bonaparte Dynasty. He borders the Russians to his east, the Austrians to his south, and the Prussians to his north and west.

Union with Lithuaniaball
On July 1812, Napoleonic Franceball, planning to invade Russiaball authorized the union between his puppet states of the Duchy of Warsawball and the Grand Duchy of Lithuaniaball into the General Confederation of the Kingdom of Polandball. Less than 2 months after its foundation, he went to war along with Franceball against Russiaball and won it by December.

Treaty of Moscow
The Treaty of Moscow drafted in the peace negotiations following Napoleon's invasion gave the Kingdom of Polandball Grodnoball and Prawobrzeżna Ukrainaball from the Russian Empire. he was initially also to claim some more Belarusian lands but Napoleon, unwilling to make him too powerful, made those lands the Principality of Byelorrusiaball. By 1813, the borders were fully enacted.