Start of the Congress of Berlin in which the major powers of Europe revise the Treaty of San Stefano, signed on March 3 the same year, that Russia had imposed on a defeated Ottoman Empire.

At the Congress of Berlin, the major European powers revised the territorial and political terms imposed by the Russian Empire on the Ottoman Empire by the Treaty of San Stefano, which had ended the Russo-Turkish War of 1877–1878. The Congress was the result of escalating tensions; particularly…