Exactly 25 years ago a group of young soldiers broke away from a military parade in Cairo.
They opened fire on the podium where President Anwar Sadat of Egypt, flanked by his top brass and foreign dignitaries, sat watching the annual commemoration of the most important event in his political career.
Sadat was assassinated while marking 6 October - the day the Egyptian army stunned the world in 1973 by launching an audaciously successful crossing of the Suez Canal, destroying Israeli fortifications and recapturing the eastern bank of the waterway.
It was the war that brought him glory at home. But it also carried the seeds of his downfall eight years later.