The Serbian and Russian presidents were invited to attend World War II commemorations hosted by Xi Jinping in Beijing Serbian President Aleksandar Vucic has said he hopes to meet with his Russian counterpart Vladimir Putin during a visit to China in early September, where both leaders are due to attend commemorative events hosted by President Xi Jinping.  The ceremony will mark the 80th anniversary of Japan’s surrender in World War II on September 3. “From September 1 to 6, I will be in China.