11 May 1920
The President of the Board of Trade confirmed in the Commons that the price of coal would increase for both households and industry. Numerous trade unions had already said that if this was to happen then they would want a pay rise, or they would go out on strike.
3,000 canal boatmen went out on strike in Birmingham and the Black Country after three years of strife, with the Midlands Canal Boatmen’s Wages Board being founded in May 1920 to put their demands to employers.
Mexico City was captured by revolutionaries, who also took President Carranza, who was able to escape the city shortly afterwards, but he was caught and assassinated on 21 May 1920.