21 dated entries naming Syriac Orthodox Church, drawn from 21 separate years between 544 CE and 1713 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
544Jacob Baradaeus consecrates Sergius of Tella as patriarch of Antioch, opening a permanent schism between the Syriac Orthodox Church and the Eastern Orthodox Church.source
7th century
609Qamishoʿ, Syriac Orthodox Grand Metropolitan of the East.source
649May 2 – Marutha of Tikrit, Persian theologian and Maphrian of the Syriac Orthodox Church (b. 565)source
8th century
724April – Athanasius III becomes the new Patriarch of the Syriac Orthodox Church, six months after the death of Elias I.source
790Joseph is consecrated Syriac Orthodox Patriarch of Antiochsource
793August 17 – Quriaqos of Tagrit is consecrated Syriac Orthodox Patriarch of Antioch at Harran.source
9th century
862During the Council of Shirakavan representatives of the Armenian, Byzantine and West-Syrian Churches convenes to discuss church union. Though this is not achieved, an agreement is formulated which allows for the peaceful co-existence of Orthodox and non-Chalcedonians in the Byzantine-Armenian borderlands.source
873John III, Syriac Orthodox patriarch of Antiochsource
887February 5 – Theodosius Romanus ascends as Syriac Orthodox patriarch of Antioch.source
896June 1 – Theodosius Romanus, Syriac Orthodox patriarch of Antiochsource
11th century
1091December – Athanasius VI bar Khamoro becomes (against his will) patriarch and head of the Syriac Orthodox Church in Antioch (until 1129).source
12th century
1194May 15 – Michael the Syrian reconsecrates the Mor Bar Sauma Monastery, which he reconstructed after its destruction by a fire. The monastery stays a center of the Syriac Orthodox Church until the end of the thirteenth century.source
13th century
1285The Mor Bar Sauma Monastery, one of the most important monasteries of the Syriac Orthodox Church, is destroyed. Though a monastic community remains, the patriarchal seat is moved to Sis.source
1292November – Michael II becomes Syriac Orthodox patriarch of Antioch (until 1312).source
1293January – Ignatius bar Wahib becomes Syriac Orthodox Patriarch of Mardin.source
14th century
1364August 6 – Ignatius Saba I becomes the Syriac Orthodox Patriarch of Tur Abdin.source