Azerbaijan, Baku / corr. Trend P.Amirjanov / On 5 June the President of Azerbaijan, Ilham Aliyev, sent a letter of congratulations to King of Sweden, Carl XVI Gustaf and Prime Minister, John Fredrik Reinfeldt, on the occasion of Sweden's national holiday - the Flag Day. The Azerbaijan leader expressed hope that friendship and cooperation between Azerbaijan and Sweden will continue to develop for prosperity of the two nations.