Which preposition to use with eylau

over Occurrences 1%

Pitt died of a broken heart when he heard of this decisive French victory, followed shortly after by the disastrous overthrow of the Prussians at Jena, and that, again, by the victory of Eylau over the Russians, which secured the peace of Tilsit, 1807,making Napoleon supreme on the continent of Europe at the age of thirty-nine.

Which preposition to use with  eylau