U S American Flag - flown at half-staff or half-mast, the U. flag should be hoisted first to the peak for an instant and then lowered to the half-staff or half-mast position. The flag should again be raised to the peak before it is lowered for the day.
Flags at half mast for the demise of former British PM Margaret Thatcher, 87, in Port Stanley, Falkland Islands (Malvinas), on April 8, 2013. Former prime minister Margaret Thatcher, the controversial 'Iron Lady' who dominated a generation of British politics and won international acclaim for helping to end the Cold War, died following a stroke on Monday.
Why Are Flags Flown at Half-Staff in Times of Mourning?