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
Under the Umbrella Tree Under the Umbrella Tree Under the Umbrella Tree is a Canadian children's television series created by Noreen Young that originally aired on CBC from 1986 to 1993. The show was produced by CBC and Noreen Young Productions, and also later by The Disney Channel which began airing the show on May 7, 1990. The series centers on a diverse set of main characters who share a house on Spring Street in a suburb of Ottawa, Ontario. The characters include Holly (a human), Iggy (an iguana), Jacob (a blue jay), and Gloria (a gopher). The show's title is derived from the