Todor Zhivkov to 1988, Bulgaria won an unprecedented 153 Olympic medals and numerous European and world competitions in sports as diverse as volleyball, rhythmic gymnastics and wrestling. Dissent was punished under Zhivkov's rule. The CSS was a feared tool of control, and overt opposition largely stayed underground until the late 1980s. In 1978, the Bulgarian dissident Georgi Markov was assassinated in London by an agent who stabbed him with an umbrella tip which implanted a very small ricin ball. According to former KGB general Oleg Kalugin, this was requested by Zhivkov and either performed by the KGB or it assisted the CSS;
1884 attack on London Bridge The three men had already been under surveillance by the police in America and in Britain. 1884 attack on London Bridge On 13 December 1884, three American-Irish Republicans carried out a dynamite attack on London Bridge as part of the Fenian dynamite campaign. The bomb went off prematurely while the three men were in a boat attaching it to a bridge pier at 5.45 pm during the evening rush hour. There was little damage to the bridge, and no casualties other than the bombers. The men's boat was so completely destroyed the police initially thought the bombers had fled. "The