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
Wearing Velvet Slippers under a Golden Umbrella Wearing Velvet Slippers under a Golden Umbrella Wearing Velvet Slippers under a Golden Umbrella (, Pronounced as Katipa phanat see shwe htee hsaung) is a 1970 Burmese film directed by Maung Wunna starring Myat Mon, Myat Lay and Thet Naung. The film was Maung Wunna's first feature as director and he also wrote the screenplay, based on the novel of the same name by Maung Thara. Dr. Kyi Thar (Myat Lay), who works at the intensive-care unit, Mental Health Hospital, Yangon, and the patient Ma Htar Htar (Myat Mon), an elder sister of a friend. They met for the very