A quarter century before the 1979 revolution, the US and UK helped depose democratically elected Iranian PM Mossadegh.

Iranian state TV issued a grim warning, declaring, "Tonight, a great surprise will occur— one the world will remember for centuries." ...

TEHRAN, Iran — Iranian police fired tear gas and beat protesters to disperse thousands chanting "Neda lives!" Thursday at a memorial for victims of post-election violence held at the grave site ...