Poles awakened Monday to a clear albeit close result that returns a nationalist politician to the presidency who has pledged to hinder the centrist, pro-EU government for the remainder of its term.

Karol Nawrocki, a historian involved in Poland’s recent efforts to revise Holocaust history, has been elected president of Poland.

Conservative Karol Nawrocki has won Poland’s weekend presidential runoff election, according to the final vote count. Nawrocki won 50.89% of votes in a nailbiting final race against liberal Warsaw Mayor Rafał Trzaskowski,