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
I Was a Fool I Was a Fool "I Was a Fool" is a song written and performed by Canadian duo Tegan and Sara for their seventh studio album, "Heartthrob". Inspired by Rihanna's singles "Unfaithful" and "Umbrella", the song is about a woman who is in a troubled relationship but doing nothing to fix it, making her seem like a fool. "I Was a Fool" was released in Canada as the second single from the album on April 24, 2013, and peaked at nineteen on Canadian Hot 100 and number one on CBC Radio 2 Top 20, making Tegan and Sara the first twins