Bulgaria–United States relations to work. Bulgaria became a member of the Warsaw Pact on May 14, 1955. Though no Soviet troops were stationed on Bulgarian soil, in 1968, Zhivkov sent a Bulgarian division to join Polish, Hungarian and Soviet troops to crush a popular uprising in Prague. In 1978, the Bulgarian secret police were implicated in the assassination in London of Georgi Markov, a Bulgarian dissident who was a correspondent for the BBC World Service, Deutsche Welle radio and the U.S. sponsored Radio Free Europe. Markov was assassinated with a poisoned umbrella on September 7, Zhivkov's birthday. The rise of democratic movements across
Mount Street, London Mount Street, London Mount Street, is a street in the Mayfair district of the City of Westminster, London. Mount Street runs from Park Lane in the west to Davies Street in the east. Mount Street is crossed by Park Street in the east and South Audley Street midway. On the south side it is joined by Rex Place and Balfour Place. In the east Mount street is joined by Carlos Place, Mount Street Mews, Carpenter Street and Berkeley Square. To the south of the street is Mount Street Gardens. Mount Street was one of the original shopping streets of Mayfair.