With the rise of the tank came the need for an equaliser - and this was solved by a simple solution - a brave man and a bottle of petrol. First used in the Spanish Civil War by Franco's forces against enthusiastic Republican T-26 tanks it didn't get its name 'Molotov cocktail' until the Winter War between the Soviets and Finland when the Finnish troops used the name sardonically against the Russian foreign minister Molotov. Read more about the history of the Molotov Cocktail and it's triumphs here - notably the destruction of some 400 tanks in the Hungarian uprising and how the petrol driven tanks of the war period were particularly vulnerable to this attack. Here's a clip from a Finnish movie showing the T-26 under attack.