(VOVworld) – President Truong Tan Sang sent a message of congratulation to Olafur Ragnar Grimmson, President of Iceland, on the country’s 69th Independence Day, June 17, 1944. Prime Minister Nguyen Tan Dung and Minister of Foreign Affairs Pham Binh Minh also sent congratulatory messages to Prime Minister Sigmundur David Gunnllaugsson and Foreign Minister Gunnar Bragi Sveinsson, respectively.