Battle of Erastfer
The battle of Erastfer took place on 29 December 1701 / 30 December 1701 / 9 January / 1702 near Erastfer in eastern Swedish Livonia between a Russian force of around 13,000 regulars along with 6,000 irregulars led by general Boris Sheremetev and a Swedish force of about 3,470 men, under the command of Wolmar Anton von Schlippenbach. The Swedes were defeated, with a loss of 1,000 men killed and captured along with all their artillery pieces. The Russians sustained about 1,000 killed along with another 2,000 wounded. It was the first significant Russian victory in the Great Northern War.
Before invading Ingria, Peter the Great secured Poland's continued participation in the war against Sweden by promising King Augustus II of Poland, 20,000 Russian troops, 100,000 pounds of gunpowder, and 100,000 rubles per year over three years.
