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
Commercial Street, London Commercial Street, London Commercial Street is an arterial road in Tower Hamlets, east London that runs north to south from Shoreditch High Street to Whitechapel High Street through the East End district of Spitalfields. The road is a section of the A1202 London Inner Ring Road and as such forms part of the boundary of the London congestion charge zone. As the name implies, Commercial Street has historically been dominated by industrial and commercial activity, which it maintains to this day. It is on the City fringes, and much industry that was seen as too noisome for the City was