Bulgarian umbrella Bulgarian umbrella A Bulgarian umbrella is an umbrella with a hidden pneumatic mechanism which injects a small poisonous pellet containing ricin. It has a hollowed stalk into which the pellet neatly sits. Such an umbrella was allegedly used in and named for the assassination of the Bulgarian dissident writer Georgi Markov on 7 September 1978 (the birthday of the Bulgarian State Council chairman Todor Zhivkov, who had often been the target of Georgi Markov's criticism) on Waterloo Bridge in London. Markov died three days later. It was also allegedly used in the failed assassination attempt against the Bulgarian dissident journalist
London Waterloo station which commemorated World War I. Waterloo was the last London terminus to provide steam-powered services, which ended in 1967. The station was the London terminus for Eurostar international trains from 1994 until 2007, when they were transferred to St. Pancras International. Waterloo is the busiest railway station in the UK. It is also the country's largest station in terms of floor space and has the greatest number of platforms at 24. When combined with the Underground and Waterloo East stations, it is the busiest station complex in Europe. The station's formal name is London Waterloo, and appears as such on