Yohannan Sulaqa professes his Catholic belief and is ordained as bishop shortly after; this marks the beginning of the Chaldean Catholic Church.

Shimun VIII Yohannan Sulaqa was the first Patriarch of what was to become the Shemʿon line of the Chaldean Catholic Church, from 1553 to 1555, after it absorbed this Church of the East patriarchate into full communion with the Holy See and the Catholic Church.

The Chaldean Catholic Church is an Eastern Catholic particular church in full communion with the Holy See and the worldwide Catholic Church. It uses the East Syriac Rite in the Syriac language and forms part of the Syriac tradition.

February 20 is the 51st day of the year in the Gregorian calendar; 314 days remain until the end of the year.