His Excellency Mr. Ilham Aliyev, President of the Republic of Azerbaijan Dear Mr. President, Please accept my heartfelt congratulations and best wishes on the occasion of your birthday.I use this opportunity to express my conviction that the strategic partnership and the excellent relations between our two countries will continue to develop and deepen actively in the future. I remember with a pleasant impression our recent meeting on the occasion of the opening of the gas interconnector between Bulgaria and Serbia, which reaffirmed once again our commitment to expanding the fruitful contacts and the active political dialogue between our countries in both bilateral and multilateral formats. While extending you my best wishes for good health and further success in your highly responsible activities, please accept, dear Mr. President, the assurances of my excellent respect for you.Sincerely,   Rumen Radev,President of the Republic of Bulgaria