Russia's President Vladimir Putin signed a decree late on Tuesday renaming the airport in Volgograd as Stalingrad, as the city was known when the Soviet army defeated the Nazi German forces in the biggest battle of World War Two, APA reports citing Reuters. "In order to perpetuate the Victory of the Soviet people in the Great Patriotic War of 1941-1945, I hereby decree ... to assign the historical name 'Stalingrad' to Volgograd International Airport," the decree published on the Kremlin's website said.