Putin visits North Korea 'likely on the 18th', Arrives in Vietnam on the 19th, Pyongyang ‘prepared for the event’ As Russian President Putin's visit to North Korea was compressed to the 18th and 20th, preparations for a large event in downtown Pyongyang were captured in satellite photos. A Vietnamese official told Reuters that President Putin's visit was planned for the 19th and 20th, and Reuter..