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 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 sold lime from there for use in construction. It is perhaps best known as the current home of the world's largest insurance market, Lloyd's of London, since its newest building was opened on the street in 1986. Opposite Lloyd's, the Willis Building is the global headquarters of insurance broker Willis. A 35-storey building has been proposed at 52-54 Lime Street, and upon approval and completion