An Lushan’s army advances on Chang’an, the…
July 756 CE
An Lushan’s army advances on Chang’an, the imperial capital, but T'ang forces check their advance for six months, after An Lushan's forces advance through the Tongguan pass toward the city.
The Emperor Xuanzong flees the capital for Sichuan.
During Emperor Xuanzong's flight, his soldiers are provoked to kill his chancellor Yang Guozhong and compel him to execute his consort Yang Guifei.
An Lushan also has other members of the Emperor's family killed.