Original sentence: The Armenian king of Vaspurakan, John Sennacherib, ceded his lands to the Byzantine emperor Basil II in 1021 A.The Sivas Congress was held in this city on 4 September 1919.The city fell to the Ottoman Sultan Bayezid I (1389–1402) in 1398, was lost to Timur (Tamerlane; 1336–1405) in 1400, and was recaptured by the Ottomans in 1408.The city was briefly the headquarters of the Armenian church.and migrated to Sivas with many of his nobles and people and became a vassal of the Byzantines, until the city was conquered by the Turkmen Danishmend dynasty (1155–1192) after the Battle of Manzikert in 1071
Edited sentence: 5 July 1915 the Armenian population of Sivas was deported.In 1913 a campaign boycotting Christian trade was initiated by vali Ahmed Muammer Bey.In April/May 1914 the bazaar of Sivas was set alight.The Kemalist Sivas Congress (Heyet-i Temiliye) was held in this city  4 - 11 September 1919.The Southern Armenian king of Vaspurakan, Seneqerim John, exchanged his lands to the Byzantine emperor Basil II in 1021 A.The city fell to the Ottoman Sultan Bayezid I (1389–1402) in 1398, was lost to Timur (Tamerlane; 1336–1405) in 1400 who destroyed the city, and was recaptured by the Ottomans in 1408.and migrated to Sivas with 14.000 of his nobles and people and became a vassal of the Byzantines, until the city was conquered by the Turkmen Danishmend dynasty (1155–1192) after the Battle of Manzikert in 1071