The Battle of Eylau took place on February 7-8, 1807, during the War of the Fourth Coalition. It was fought between the forces of Napoleon Bonaparte and the Russian Empire, led by General Levin August von Bennigsen. The battle occurred near the town of Eylau in present-day Poland and was marked by harsh winter conditions and heavy snowfall. Despite being outnumbered, the French army managed to hold their ground against the Russians. The battle resulted in heavy casualties on both sides, with no clear victor. Ultimately, it set the stage for further engagements in the ongoing conflict between France and Russia.