Baku, October 18, AZERTAC President of the Republic of Turkey Recep Tayyip Erdogan has extended congratulations on the occasion of October 18 - Independence Day of Azerbaijan on his official Twitter account.“I congratulate our brotherly, dear friend Azerbaijan on October 18 - the Independence Day. We will continue to support Azerbaijan in all areas and stand by our brothers in the struggle for the Motherland as we are “one nation, two states” the Turkish President tweeted.