[3] Until the late 19th century, there were three canals inside the fortress, dividing the island into four parts.
[4] Zayachy Island is the site of Saints Peter and Paul Cathedral where many members of the House of Romanov are buried.
On July 17, 1998, the remains of Czar Nicholas II and his family were buried there, eighty years to the day after they were murdered by the Bolsheviks.
During the Red Terror, the island was the site of massacres of enemies of the state.
[5] Human rights charity Memorial tried to convince the authorities to investigate the graves properly.