Friday the 13th etc.) of the year. Any month that starts on a Sunday contains a Friday the 13th, and there is at least one Friday the 13th in every calendar year. There can be as many as three Friday the 13ths in a single calendar year; either in February, March and November in a common year starting on Thursday (such as 2009, 2015 or 2026) (D), or January, April and July in a leap year starting on Sunday (such as 2012) (AG). The longest period that occurs without a Friday the 13th is 14 months, either from July to September the following
Black Friday (1921) part. Williams was expelled from the Communist Party following this. In 1925, when the government agreed to grant a temporary subsidy to the mining industry so as to avoid wage reductions, the day on which the decision was announced became known as "Red Friday", in imitation of Black Friday. Black Friday (1921) Black Friday, in British labour history, refers to 15 April 1921, when the leaders of transport and rail unions announced a decision not to call for strike action in support of the miners. The epithet 'black' derives from a widespread feeling amongst labour radicals that the decision amounted