1. Universal Orthodox Christianity established in AD 325 at the Synod of Nicea.
2. Syrian migration consisting of 72 families led by Uraha Mor Ouseph and Knai Thoma in AD 345 establishes Universal Orthodox Church in Malankara to bring St. Thomas Malankara Nasranis under the Syrian Orthodox Church.
3. Knanaya community settles at Kodungallur and establishes a Church at Kodungallur in the name of Mother Mary and organizes the regular visitation of Metropolitans from the Middle East for the Malankara Syrian Orthodox Church.
4. In the 9th and 10th century, Moors attacked Kodungallur and monopolized exports of spices from the Malabar Coast and many Knanayaites fled Kodungallur to Mulanthuruthy and Kaduthuruthy.
5. In AD1502, the Knanayites welcomed Vasco Da Gama who promised to defend the Malanakara Syrian Orthodox Church against the Moors and to arrange for the safe journey of Metropolitans from the Middle East to Malankara.
6. In AD 1524, Knanayites forced to leave Kodungallur and settle in the Thekkumkur kingdom at Kottayam and Kallissery.
7. In AD 1599, all Churches under the Malankara Syran Orthodox Church were brought under the Roman Catholic denomination at the Synod of Udayamperoor.
8. In AD 1653, a 25000 strong Syrian Christian force led by Itty Thommen Kathnar, vicar of Kallissery St. Mary’s Knanaya Church led a revolt from the Roman Catholic denomination and swore eternal allegiance to the Patriarchal Throne of Antioch.
9. In AD 1876, at the time of the Synod of Mulanthuruty, there were 8 Knanaya Churches.
10. Malankara Jacobite Syrian Knanaya Committee formed in AD 1882 under the leadership of Edavazhickal Geevarghese Kathnar, Maalithara Elias Kathnar and Kannothu Abraham Kathnar to administer the affairs of Knanayites in 9 Knanaya Churches. This symbolized the first organization of the Knanaya community into an independent body within the Malankara Syrian Orthodox Church. E M Philip was the first Secretary of the Knanaya Committee and Kunnumkeri Puthenpurackal Uthuppan Thomas was the first Trustee.
11. In AD 1902, Edavazhickal Geevargese Kathnar made Vicar General of the Knanaya Churches.
12. In AD 1910 August 31st, Edavazhickal Geevarghese Kathnar was consecrated as Geevarghese Mor Severios at Vadakara Church and appointed as the Metropolitan of the Knanaya Bhadrasanam by the Holy Patriarch of Antioch His Holiness Moran Mor Ignatius Abdallah II.
13. The first general body meeting of the Church representatives of the Knanaya Diocese was held at Kallissery St. Mary’s Knanaya Church on Tuesday, the 24th of January, 1911 to prepare the roadmap for the future of the new born Diocese. At this meeting, it was decided to dissolve the old Church Committee was to create a new Association with two representatives and a priest elected from each Church.
14. Knanaya Association rules was framed in 1918 and served as the guideline for the Constitution of the Diocese.
15. Mor Dioscoros Thomas was ordiained Metrapolitan at Jerusalem in 1926 and appointed as assistant to Mor Severios to administer the Knanaya Diocese.
16. Mor Severios was called to eternal rest on June 11th, 1927.
17. Mor Dioscoros relinquished the title of Knanaya Metropolitan in 1939.
18. Thamarappallil Abraham Cor-Episcopa and Purackal P J Thomas Cor-Episcopa administered the affairs of the Knanaya Diocese from 1939 – 1951.
19. Vayala Idiculla Abraham was consecrated as Abraham Mor Clemis on the 15th of April 1951 at Homs in by His Holiness Moran Mor Ignatius Aphrem I, Patriarch of Antioch and All the East and appointed as Metropolitan of the Knanaya Diocese.
20. Mor Clemis was elected as the Malankara Metropolitan by the Malankara Association on the 21st of June 1957 at Manarcaud.
21. The Knanaya Diocese saw much progress during the reign of Mor Clemis as Metropolitan and the Diocese grew from 9 churches to 97 churches in a span of about 100 years.
22. Abraham Mor Clemis was called to eternal rest on 30th September 2002.
23. Edavazhickal Kuriakose Abraham Kassissa consecrated as Kuriakose Mor Severios and appointed as Metropolitan of Knanaya Diocese on the 15th of January 2004
24. Knanaya Diocese elevated to the level of ‘Knanaya Archdiocese in India’ and the Metropolitan Mor Severios Kuriakose was elevated as ‘His Eminence Mor Severios Kuriakose, the Archbishop and Chief Metropolitan of the Knanaya Archdiocese in India’ on the 10th of January 2007 by H H Moran Mor Ignatius Zakka I Iwas, the Patriarch of Antioch and All he East vide Bull No. E20/07.
25. Rev. Fr. Chaluparambil Thomas Kurien consecrated as Kuriakose Mor Gregorios and appointed as Assistant Metropolitan to the Knanaya Arch Bishop on the 2nd of February 2007.
St. Ignatious Knanaya Jacobite Church