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
On with the Dance they have had. James and Georgina then persuade Virginia into agreeing to move to Eaton Place. On with the Dance "On with the Dance" is the first episode of the fifth and final series of the period drama "Upstairs, Downstairs". It first aired on 7 September 1975 on ITV. "On with the Dance" was recorded in the studio on 9 and 10 January 1975, with a retake filmed on the morning of 7 April. It is the first episode to feature Anne Yarker and Jonathan Seeley as Virginia's children, Alice and William, and Karen Dotrice as Lily Hawkins. The events