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
The Blue Umbrella (2013 film) for Pixar’s "Monsters University". "National Post" gave the film 3.5/4 stars, writing "Directed by Saschka Unseld, who worked on "Toy Story 3" and "Brave", "The Blue Umbrella" is six minutes of rain-beaten beauty", and describing it as "sure-to-be-Oscar-nominated". The Blue Umbrella (2013 film) The Blue Umbrella is a 2013 computer-animated short film produced by Pixar Animation Studios that was released alongside "Monsters University". The short is directed by Saschka Unseld of Pixar's technical department. The short features techniques such as photorealistic lighting, shading, and compositing. A city scene is brought to life by a rainstorm. Many objects along the street