[5] In the second century AD, Christian Roman prisoners of war were taken to what is now Kazakhstan after their defeat by the Sassanid Persians.
[8] In 1991, Pope John Paul II established an Apostolic Administration that covered all of Central Asia.
[3] In 1997, the other four countries of the region, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan all became independent missions, so the Apostolic Administration became for only Kazakhstan and was based in Karaganda.
[12] Bishop José Luis Mumbiela Sierra, of Almaty Diocese, described the variety of the Catholic population in Kazakhstan during a conference with Aid to the Church in Need: "A large proportion of the Catholics live in the north of the country, where there is a Polish majority.
[3] In 2022 three of the Catholic Church's bishops issued calls for peace, following the episodes of civil unrest that led to hundreds of deaths in the country.
But on 1 June 2019 by Pope Francis was established the Apostolic Administration of Kazakhstan and Central Asia for the all Byzantine Rite (mainly Ukrainian Greek Catholic) parishes.