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
Lime Street, London Lloyd's building at the corner of Lime and Leadenhall Streets. The southern portion of the street formed part of the marathon course for the 2012 Olympic Games. The women's marathon took place on 5 August and the men's on 12 August 2012. The nearest London Underground stations are Monument and Aldgate and the closest mainline railway stations are Liverpool Street, Cannon Street and Fenchurch Street. Lime Street, London Lime Street is a minor road in the City of London between Fenchurch Street to the south and Leadenhall Street to the north. Its name comes from the lime burners who once