*Restoration of the third Bulgarian kingdom after almost 500 years of Ottoman rule. The treaty of San Stefano, signed on March 3 1878, was the milestone of this process and the day remains one of the most celebrated in Bulgaria痴 history. The San Stefano treaty ended the Russo-Turkish war, which started in 1877. ***http://www.bse-sofia.bg/index.php?page=BSE+holidays&PHPSESSID=e64cfff68a905be4d7353fba82799ce2