WThe Battle of Nikopol, or Nicopolis, was one of the early battles of the Russo-Turkish War (1877–1878). As the Russian army crossed the Danube River, they approached the fortified city of Nikopol (Nicopolis). The Turkish high command sent Osman Pasha with the troops from Vidin to oppose the Russians' crossing of the Danube. Osman's intentions were to reinforce and defend Nikopol. However, the Russian IX Corps under General Nikolai Kridener reached the city and bombarded the garrison into submission before Osman could arrive. He instead fell back to Plevna. With the Nikopol garrison eliminated, the Russians were free to march on to Plevna.
WThe Liberation of Bulgaria is a historical process as a result of the Bulgarian Revival.
WThe Bulgarian coup d'état of 1886, also known as the 9 August coup d'état was an attempted dethronement of Knyaz Alexander Battenberg in Principality of Bulgaria, carried out on 9 August 1886. Although unsuccessful, the event led to the abdication of Alexander Battenberg.
WAn ancient settlement situated on the end of Cape of St. Athanasius near Byala, Varna Province, Bulgaria, has been partially restored by archaeologists. The visible remains date mainly from end of the 6th century AD.
WThe Battle of Kirk Kilisse or Battle of Kirkkilise or Battle of Lozengrad was part of the First Balkan War between the armies of Bulgaria and the Ottoman Empire. It took place on 24 October 1912, when the Bulgarian army defeated an Ottoman army in Eastern Thrace.
WThe Second Tarnovo uprising, according to a unique Russian source published in 1847, is thought to be a Bulgarian uprising against Ottoman rule based in the former Bulgarian capital, Tarnovo, that broke out in 1686 and was severely crushed by the Ottoman authorities.
WThe Battle of Skopje occurred in the vicinity of the city of Skopje in 1004.
WOn June 5, 1942, the United States Congress declared war upon Bulgaria. Bulgaria was neutral during 1939–1941, but on March 1, 1941, Bulgaria signed the Tripartite Pact and officially joined the Axis bloc. Following this, the Bulgarian government declared war on the United Kingdom and the United States on December 13, 1941. The United States officially declared war on Bulgaria on June 5, 1942. The capital of Bulgaria, Sofia, and other Bulgarian cities, were bombed by Allied aircraft in 1943 and 1944.