Baku, January 20, AzerTAc A state-wide moment of silence was observed for the Black January victims today at 12:00 (local time) across Azerbaijan. Ships, cars, and trains sounded sirens throughout the country to remember victims of the January 20, 1990 tragedy.In accordance with a relevant plan of action, commemorative events have been arranged in all cities and towns of the country, with the state flag lowered on all buildings.Baku residents have been visiting the Alley of Martyrs since early hours of Tuesday to pay tribute to Azerbaijan`s valiant sons and daughters.