Historical Events on March 3

15 significant historical events occurred on March 3. March 3 has been the date of eight key historical events over more than a century, involving diplomatic, military, and cultural developments. Notably, major peace treaties were signed on this date. The Treaty of San Stefano in 1878 concluded the Russo-Turkish War and recognized Romanian independence. In 1918, the Treaty of Brest-Litovsk was signed between Soviet Russia and the Central Powers. On this date, the second Eurovision Song Contest took place in 1957, and in 1973, CITES, an international treaty for protecting endangered species, was signed.