An international seminar titled "70-Year Common Victory" was co-organized by the Communist Party of China and the Communist Party of Russia in Khabarovsk, Russia, on Saturday to mark the 70th anniversary of victory in World War II.

Liu Qibao, head of the Publicity Department of the CPC Central Committee, attended the seminar together with Ivan Melnikov, vice-chairman of the Communist Party of Russia.

In his opening speech, Liu, also a member of the Political Bureau of the CPC Central Committee, said both China and Russia, as the main battlefields during World War II in Asia and Europe, made great sacrifices and contributions to victory in the war.