Meanwhile, Napoleon, a little deterred by the Russian autocrat's youthful ideology, never gave up hope of detaching him from the coalition. He had no sooner entered Vienna in triumph than he opened negotiations with Alexander; he resumed them after the Battle of Austerlitz (2 December). Russia and France, he urged, were "geographical allies"; there was, and could be, between them no true conflict of interests; together they might rule the world. But Alexander was still determined "to persist in the system of disinterestedness in respect of all the states of Europe which he had thus far followed", and he again allied himself with the Kingdom of Prussia. The campaign of Jena and the battle of Eylau followed; and Napoleon, though still intent on the Russian alliance, stirred up Poles, Turks and Persians to break the obstinacy of the Tsar. A party too in Russia itself, headed by the Tsar's brother Constantine Pavlovich, was clamorous for peace; but Alexander, after a vain attempt to form a new coalition, summoned the Russian nation to a holy war against Napoleon as the enemy of the Orthodox faith. The outcome was the rout of Friedland (13/14 June 1807). Napoleon saw his chance and seized it. Instead of making heavy terms, he offered to the chastened autocrat his alliance, and a partnership in his glory.