 During the speech he stated he saw "Ukrainian as the only state language" but also spoke of the "guarantees [of] the unhindered development of Russian and all the other languages".Part of the speech was in Russian.The inauguration was attended by about 50 foreign delegations, including US Vice President Joe Biden, President of Poland Bronisław Komorowski, President of Belarus Alexander Lukashenko, President of Lithuania Dalia Grybauskaitė, President of Switzerland and the OSCE Chairman-in-Office Didier Burkhalter, President of Germany Joachim Gauck, President of Georgia Giorgi Margvelashvili, Prime Minister of Canada Stephen Harper, Prime Minister of Hungary Viktor Orbán, President of the European Council Herman Van Rompuy, the OSCE Secretary General Lamberto Zannier, UN Under-Secretary-General for Political Affairs Jeffrey Feldman, China's Minister of Culture Cai Wu and Ambassador of Russia to Ukraine Mikhail Zurabov Former Prime Minister of Ukraine Yulia Tymoshenko was also present.