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
Waterloo, London Lambeth had significantly increased. After the opening of Waterloo railway station in 1848 via the Nine Elms to Waterloo Viaduct the locality around the station and Lower Marsh became known as Waterloo. The boundary of the ecclesiastical parish of St John Waterloo established in 1824 was formed by the River Thames in the north and west, approximated Westminster Bridge Road in the south, and followed the boundary with Southwark in the east. The public library in Waterloo was constructed in 1893. It remained open until the early 1960s when it was vacated due to its poor condition. The building now