Miners’ strike and its roots
1972 - First pit strike in 50 years over pay and working conditions.
1974 - Miners strike again. Prime Minister Ted Heath calls General Election - and loses.
1981 - Thatcher bows to pressure from unions and calls off proposals to close 23 pits
1984 March 4 Plans announced to close Cortonwood Pit, near Barnsley. Yorkshire miners walk out.
March 6 - Coal Board announces proposed closure of 20 pits with loss of 20,000 jobs.
March 12- Dispute becomes national. 93,000 miners on strike. Arthur Scargill calls for more support.
June 18 - The Battle Of Orgreave at Sheffield coking plant. 5,000 miners fight riot police.
November 1984 - Some miners return to work. Picket-line violence increases.
January 1985 - More miners return to work. NUM sconsiders ending strike.
March 3, 1985 NUM delegates vote by 98 to 91 to end strike.