The April 9 tragedy (also known as Tbilisi Massacre, Tbilisi tragedy) refers to the events in Tbilisi, Georgian Soviet Socialist Republic, on April 9, 1989, when an anti-Soviet demonstration was dispersed by the Soviet Army, resulting in 20 deaths and hundreds of injuries. April 9 is now remembered as the Day of National Unity ( erovnuli ertianobis dghe), an annual public holiday.