She famously sent a task force 8,000 miles to the South Atlantic to regain the Falkland Islands. Warships, cruise liners and cargo vessels were dispatched from
Portsmouth, Southampton and other ports along the South Coast to oust troops Argentinian invaders.
She later survived an IRA bomb which shattered the Grand Hotel at Brighton where her Conservative Party was holding its annual conference. It seemed Margaret Thatcher was invincible.
But today she succumbed to old age and ill-health. Our political correspondent Phil Hornby has been looking back over The Thatcher Years.
Preparations for Baroness Thatcher's ceremonial funeral are under way as MPs began planning tributes to her in Parliament.
The funeral of former prime minister Baroness Thatcher will be held on Wednesday April 17, David Cameron said
Former premier Baroness Thatcher has died at the age of 87 following a stroke, her family announced.