Franciszek Ksawery Abgaro-Zachariasiewicz (December 1, 1770 in Stanyslaviv

Ivano-Frankivsk

Ivano-Frankivsk is a historic city located in the western Ukraine. It is the administrative centre of the Ivano-Frankivsk Oblast , and is designated as its own separate raion within the oblast, municipality....

 – June 12, 1845 in Przemyśl

Przemysl

Przemyśl is a city in south-eastern Poland with 66,756 inhabitants, as of June 2009. In 1999, it became part of the Podkarpackie Voivodeship; it was previously the capital of Przemyśl Voivodeship....

; sometimes Zacharyasiewicz or Zacharjasiewicz) was a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 Roman Catholic bishop of Przemyśl, elevated in 1840. He was also bishop of Tarnów

Tarnów

Tarnów is a city in southeastern Poland with 115,341 inhabitants as of June 2009. The city has been situated in the Lesser Poland Voivodeship since 1999, but from 1975 to 1998 it was the capital of the Tarnów Voivodeship. It is a major rail junction, located on the strategic east-west connection...

 (elevated in 1835). First ordained a priest

Priest

A priest is a person authorized to perform the sacred rites of a religion, especially as a mediatory agent between humans and deities. They also have the authority or power to administer religious rites; in particular, rites of sacrifice to, and propitiation of, a deity or deities...

 in the Armenian Catholic Church

Armenian Catholic Church

|- |The Armenian Catholic Church is an Eastern Catholic Church sui juris in union with the other Eastern Rite, Oriental Rite and Latin Rite Catholics who accept the Bishop of Rome as spiritual leader of the Church. It is regulated by Eastern canon law...

 in 1795, he became a priest of the Roman Catholic Church

Roman Catholic Church

The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

 in since 1812. He also served as professor (1800–1827) and rector

Rector

The word rector has a number of different meanings; it is widely used to refer to an academic, religious or political administrator...

 (1826/1827) of Lviv University

Lviv University

The Lviv University or officially the Ivan Franko National University of Lviv is the oldest continuously operating university in Ukraine...

. In 1835 Zachariasiewicz founded theological seminary in Tarnów

Tarnów

Tarnów is a city in southeastern Poland with 115,341 inhabitants as of June 2009. The city has been situated in the Lesser Poland Voivodeship since 1999, but from 1975 to 1998 it was the capital of the Tarnów Voivodeship. It is a major rail junction, located on the strategic east-west connection...

. His work focused on the history of the Christian Church, Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, and Armenians

Armenians

Armenian people or Armenians are a nation and ethnic group native to the Armenian Highland.The largest concentration is in Armenia having a nearly-homogeneous population with 97.9% or 3,145,354 being ethnic Armenian....

.