Joachim Lelewel (1786–1861) became Poland's most famous historian. He was a rebel, creator of Poland's unofficial motto "For our freedom and yours", member of Poland's Provisional Government 1830, was jointly with Karl Marx and Friedrich Engels founder and vice-president of the Democratic Society for the Unification and Brotherhood of all People in Brussels ("Demokratische Gesellschaft zur Einigung und Verbrüderung aller Völker (Brüssel)"). The anarchist Michail Bakunin was strongly influenced by him. He was a friend of Gilbert du Motier, marquis de Lafayette, who had given shelter to him in his manor Lagrange, where he was later arrested and then expelled from France. The 29 May is Lelewel's memorial day in the Jewish almanc for his commitment for the Jewish emancipation.