February 9, 1972 (Xinhai twelfth lunar month 25), the British government announced that the country is in a "state of emergency".

1972, the British government announced that the country is in a "state of emergency" to deal with the 300,000 coal miners nationwide strike has been going on for a month, and an attempt to use state power to undermine the strike. According to the decree of the "state of emergency", the British all walks of life as well as people's living electricity is limited, the most serious power crisis since the Second World War.