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Holy See–Soviet Union relations were marked by long-standing ideological disagreements between the
Catholic Church The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
and the
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
. The Holy See attempted to enter in a pragmatic dialogue with Soviet leaders during the papacies of
John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
and Paul VI. In the 1990s, Pope
John Paul II Pope John Paul II (born Karol Józef Wojtyła; 18 May 19202 April 2005) was head of the Catholic Church and sovereign of the Vatican City State from 16 October 1978 until Death and funeral of Pope John Paul II, his death in 2005. In his you ...
's diplomatic policies were cited as one of the principal factors that led to the
dissolution of the Soviet Union The Soviet Union was formally dissolved as a sovereign state and subject of international law on 26 December 1991 by Declaration No. 142-N of the Soviet of the Republics of the Supreme Soviet of the Soviet Union. Declaration No. 142-Н of ...
.


Heightened tensions: 1917 to 1958


Benedict XV

The end of
World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
brought about the revolutionary development that Benedict XV had foreseen in his first encyclical. With the
Russian Revolution The Russian Revolution was a period of Political revolution (Trotskyism), political and social revolution, social change in Russian Empire, Russia, starting in 1917. This period saw Russia Dissolution of the Russian Empire, abolish its mona ...
, the
Holy See The Holy See (, ; ), also called the See of Rome, the Petrine See or the Apostolic See, is the central governing body of the Catholic Church and Vatican City. It encompasses the office of the pope as the Bishops in the Catholic Church, bishop ...
was faced with a new, so far unknown, situation: an ideology and government which rejected not only the Catholic Church but also religion as a whole. "Some hope developed among the United Orthodox in
Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
and
Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...
, but many of the representatives there disappeared or were jailed in the following years. Several Orthodox bishops from
Omsk Omsk (; , ) is the administrative center and largest types of inhabited localities in Russia, city of Omsk Oblast, Russia. It is situated in southwestern Siberia and has a population of over one million. Omsk is the third List of cities and tow ...
and Simbirsk wrote an open letter to Pope Benedict XV, ''as the Father of all Christianity'', describing the murder of priests, the destruction of their churches and other persecutions in their areas."


Pius XI

Worried by the persecution of Christians in the
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
,
Pius XI Pope Pius XI (; born Ambrogio Damiano Achille Ratti, ; 31 May 1857 – 10 February 1939) was head of the Catholic Church from 6 February 1922 until his death in February 1939. He was also the first sovereign of the Vatican City State u ...
mandated
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
Nuncio Eugenio Pacelli to work secretly on diplomatic arrangements between the Vatican and the Soviet Union. Pacelli negotiated food shipments and met with Soviet representatives, including Foreign Minister Georgi Chicherin, who rejected any kind of religious education and the ordination of priests and bishops but offered agreements without the points vital to the Vatican. Despite Vatican pessimism and a lack of visible progress, Pacelli continued the secret negotiations until Pius XI ordered them to be discontinued in 1927 because they generated no results and were dangerous to the Church if they were made public. The "harsh persecution short of total annihilation of the clergy, monks, and nuns and other people associated with the Church" continued well into the 1930s. In addition to executing and exiling many clerics, monks and laymen, the confiscation of Church implements "for victims of famine" and the closing of churches were common.Riasanovsky 634 However, according to an official report based on the 1936
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
, some 55 percent of Soviet citizens identified themselves openly as religious, and others possibly concealed their belief. Pius XI described the lack of reaction to the persecution of Christians in such countries as the Soviet Union, Mexico,
Nazi Germany Nazi Germany, officially known as the German Reich and later the Greater German Reich, was the German Reich, German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it into a Totalit ...
and Spain as a "conspiracy of silence". In 1937, he issued the encyclical ''
Divini Redemptoris ''Divini Redemptoris'' (from the incipit "", Latin for "the promise of a Divine Redeemer") is an anti-communist encyclical issued by Pope Pius XI. It was published on 19 March 1937. In this encyclical, the pope sets out to "expose once more i ...
'', which condemned communism and the Soviet regime. He named a French Jesuit to go to the Soviet Union and secretly consecrate Roman Catholic bishops, which was a failure since most of them ended up in gulags or were otherwise killed by the socialist regime.


Pius XII

According to
Winston Churchill Sir Winston Leonard Spencer Churchill (30 November 1874 – 24 January 1965) was a British statesman, military officer, and writer who was Prime Minister of the United Kingdom from 1940 to 1945 (Winston Churchill in the Second World War, ...
, the French PM
Pierre Laval Pierre Jean Marie Laval (; 28 June 1883 – 15 October 1945) was a French politician. He served as Prime Minister of France three times: 1931–1932 and 1935–1936 during the Third Republic (France), Third Republic, and 1942–1944 during Vich ...
asked
Joseph Stalin Joseph Vissarionovich Stalin (born Dzhugashvili; 5 March 1953) was a Soviet politician and revolutionary who led the Soviet Union from 1924 until Death and state funeral of Joseph Stalin, his death in 1953. He held power as General Secret ...
, "Can't you do something to encourage religion and the Catholics in Russia? It would help me so much with the Pope." Stalin replied, "The Pope? How many divisions has he got?"
Pius XII Pope Pius XII (; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 18769 October 1958) was the head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death on 9 October 1958. He is the most recent p ...
's pontificate faced extraordinary problems. In the 1930s, the public protests and condemnations of his predecessors had not deterred the Soviet authorities from persecuting all Christian churches as hostile to
Marxism–Leninism Marxism–Leninism () is a communist ideology that became the largest faction of the History of communism, communist movement in the world in the years following the October Revolution. It was the predominant ideology of most communist gov ...
. The persecution of the Catholic Church was a part of an overall attempt to eradicate religion in the Soviet Union. In 1940, after Germany had occupied western Poland, the Soviet Union annexed eastern Poland, along with the Baltic countries, including the predominantly Catholic
Lithuania Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea, bordered by Latvia to the north, Belarus to the east and south, P ...
. Two months after his election on May 12, 1939, in '' Singolari Animi'', a papal letter to the Sacred Congregation of the Oriental Church, Pius XII reported again the persecutions of the Catholic faith in the Soviet Union. Three weeks later, while he was honouring the memory of Saint Vladimir on the 950th anniversary of his baptism, he welcomed Ruthenian priests and bishops and members of the Russian colony in
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
, prayed for those who suffered in their country and awaited with their tears the hour of the coming of the Lord. Persecution began at once as large parts of Poland and the Baltic States were incorporated into the Soviet Union. Almost immediately, the United Catholic Churches of Armenia, Ukraine and Ruthenia were attacked. While most Oriental Christians belong to an Orthodox Church, some, such as the
Armenian Catholic Church The Armenian Catholic Church is an Eastern Catholic Churches, Eastern Catholic particular church ''sui iuris'' of the Catholic Church. It accepts the papal supremacy, leadership of the bishop of Rome, and is therefore in full communion with ...
,
Ukrainian Greek Catholic Church The Ukrainian Greek Catholic Church (UGCC) is a Major archiepiscopal church, major archiepiscopal ''sui iuris'' ("autonomous") Eastern Catholic Churches, Eastern Catholic church that is based in Ukraine. As a particular church of the Cathol ...
and the
Ruthenian Greek Catholic Church The Ruthenian Greek Catholic Church, also known in the United States as the Byzantine Catholic Church, is a '' sui iuris'' (autonomous) Eastern Catholic particular church based in Eastern Europe and North America that is part of the worldwide ...
, are united with Rome, which allowed them to keep their own Oriental liturgy and Church laws. After World War II, the
Russian Orthodox Church The Russian Orthodox Church (ROC; ;), also officially known as the Moscow Patriarchate (), is an autocephaly, autocephalous Eastern Orthodox Church, Eastern Orthodox Christian church. It has 194 dioceses inside Russia. The Primate (bishop), p ...
was given some freedom by the government of
Joseph Stalin Joseph Vissarionovich Stalin (born Dzhugashvili; 5 March 1953) was a Soviet politician and revolutionary who led the Soviet Union from 1924 until Death and state funeral of Joseph Stalin, his death in 1953. He held power as General Secret ...
, but not the
Eastern Catholic Churches The Eastern Catholic Churches or Oriental Catholic Churches, also known as the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are 23 Eastern Christian autonomous (''sui iuris'') particular churches of ...
, which were united with Rome. Leaders of those Churches faced intense pressure to break with Rome and to unite with Moscow. Pope Pius addressed specifically the Ruthenian Catholic Church in Ukraine. The encyclical '' Orientales omnes Ecclesias'' is a summary of the relations between the Eastern churches and Rome until the persecutions in 1945.Giovannetti, 112 Some Ruthenians, resisting Polonisation, felt deserted by the Vatican and returned to the
Russian Orthodox Church The Russian Orthodox Church (ROC; ;), also officially known as the Moscow Patriarchate (), is an autocephaly, autocephalous Eastern Orthodox Church, Eastern Orthodox Christian church. It has 194 dioceses inside Russia. The Primate (bishop), p ...
during Pius XI's pontificate.


Dialogue: 1958 to 1978


John XXIII

The brief papacy of
John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
had attempts to reconcile with the
Russian Orthodox Church The Russian Orthodox Church (ROC; ;), also officially known as the Moscow Patriarchate (), is an autocephaly, autocephalous Eastern Orthodox Church, Eastern Orthodox Christian church. It has 194 dioceses inside Russia. The Primate (bishop), p ...
in the hope of reducing tensions with the Soviet Union and contributing to peace in the world. The
Second Vatican Council The Second Ecumenical Council of the Vatican, commonly known as the or , was the 21st and most recent ecumenical council of the Catholic Church. The council met each autumn from 1962 to 1965 in St. Peter's Basilica in Vatican City for session ...
did not condemn Communism or even mention it, in what some have called a secret agreement between the Holy See and the Soviet Union. In '' Pacem in terris'', John XXIII also sought to prevent
nuclear war Nuclear warfare, also known as atomic warfare, is a War, military conflict or prepared Policy, political strategy that deploys nuclear weaponry. Nuclear weapons are Weapon of mass destruction, weapons of mass destruction; in contrast to conven ...
and tried to improve relations between the Soviet Union and the United States. He began a policy of dialogue with Soviet leaders to seek conditions in which Eastern Catholics could find relief from persecution.


Paul VI

Pope Paul VI continued John XXIII's policy of dialogue with Soviet leaders to reduce persecutions against local Christians. His policy has been called '' Ostpolitik'' because it closely resembled similar policies that were being adopted by some nations of
Western Europe Western Europe is the western region of Europe. The region's extent varies depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the Western half of the ancient Mediterranean ...
such as
West Germany West Germany was the common English name for the Federal Republic of Germany (FRG) from its formation on 23 May 1949 until German reunification, its reunification with East Germany on 3 October 1990. It is sometimes known as the Bonn Republi ...
. He received
Foreign Minister In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and relations, diplomacy, bilateral, and multilateral r ...
Andrei Gromyko and the Chairman of the
Presidium A presidium or praesidium is a council of executive officers in some countries' political assemblies that collectively administers its business, either alongside an individual president or in place of one. The term is also sometimes used for the ...
of the
Supreme Soviet The Supreme Soviet () was the common name for the legislative bodies (parliaments) of the Soviet socialist republics (SSR) in the Union of Soviet Socialist Republics (USSR). These soviets were modeled after the Supreme Soviet of the USSR, establ ...
Nikolai Podgorny in 1966 and 1967 in the Vatican.


John Paul II and Soviet collapse: 1978 to 1991

John Paul II Pope John Paul II (born Karol Józef Wojtyła; 18 May 19202 April 2005) was head of the Catholic Church and sovereign of the Vatican City State from 16 October 1978 until Death and funeral of Pope John Paul II, his death in 2005. In his you ...
has long been credited with being instrumental in bringing down communism in Catholic Eastern Europe by being the spiritual inspiration behind its downfall and a catalyst for a peaceful revolution in Poland. In February 2004, the Pope was even nominated for a
Nobel Peace Prize The Nobel Peace Prize (Swedish language, Swedish and ) is one of the five Nobel Prizes established by the Will and testament, will of Sweden, Swedish industrialist, inventor, and armaments manufacturer Alfred Nobel, along with the prizes in Nobe ...
to honor his life's work in opposing communism and in helping to reshape the world after the
collapse of the Soviet Union The Soviet Union was formally dissolved as a sovereign state and subject of international law on 26 December 1991 by Declaration No. 142-N of the Soviet of the Republics of the Supreme Soviet of the Soviet Union. Declaration No. 142-Н of ...
. However, there has been much debate among historians on the realistic significance of John Paul II's opposition to communism in the Soviet regime's eventual fall. While most scholars agree that his intervention was influential in ending the Polish Communist Party's rule, there is much disagreement about his role in the collapse of the Soviet Union. Historians differ also in their opinions on the significance of the influence of John Paul II, as opposed to that of other economic and political factors. Thus, it is necessary to investigate the relative importance of John Paul II's role in the collapse of Eastern European communism by analyzing the historical events from his election to the papacy in 1978 to the collapse of the Soviet Union in 1991. On October 16, 1978, Karol Wojtyla was elected to the papacy. As the first-ever Polish pope and the first non-Italian to be elected to the papacy in over four centuries, his election came as somewhat of a surprise to many Catholic scholars worldwide. Wojtyla chose to take the name John Paul II, after his predecessor, John Paul I, who was pope for barely a month before his death on September 28, 1978. Religious and political leaders alike wondered what it would mean for a citizen of a communist country to become pope. Poles, on the other hand, rejoiced at the news. Having lived under both the Nazi and the Soviet regimes, the new pope was unwavering in his opposition to both
fascism Fascism ( ) is a far-right, authoritarian, and ultranationalist political ideology and movement. It is characterized by a dictatorial leader, centralized autocracy, militarism, forcible suppression of opposition, belief in a natural social hie ...
and
communism Communism () is a political sociology, sociopolitical, political philosophy, philosophical, and economic ideology, economic ideology within the history of socialism, socialist movement, whose goal is the creation of a communist society, a ...
. While the Vatican had always officially opposed communism because of its
atheism Atheism, in the broadest sense, is an absence of belief in the Existence of God, existence of Deity, deities. Less broadly, atheism is a rejection of the belief that any deities exist. In an even narrower sense, atheism is specifically the ...
, Pope John Paul II lost no time in making his theological opposition into an active policy of confrontation. In his first encyclical, he pinpointed
religious freedom Freedom of religion or religious liberty, also known as freedom of religion or belief (FoRB), is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice ...
as the paramount human right and argued that it was the duty of the Church to protect that right. Simultaneously, he rejected the general
Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...
diplomacy of appeasement by removing or demoting Church leaders who had enacted the policy of '' Ostpolitik'', or quiet negotiation with communist leaders. Pope John Paul II publicly criticized communism. Despite warnings from
Leonid Brezhnev Leonid Ilyich Brezhnev (19 December 190610 November 1982) was a Soviet politician who served as the General Secretary of the Communist Party of the Soviet Union from 1964 until Death and state funeral of Leonid Brezhnev, his death in 1982 as w ...
, General Secretary of the Central Committee of the Communist Party of the Soviet Union, not to interfere in Poland, the new pope visited his homeland within the first year of his papacy. On June 2, 1979, John Paul II made his first papal visit to Poland, and three million people came to the capital
Warsaw Warsaw, officially the Capital City of Warsaw, is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-central Poland. Its population is officially estimated at ...
to greet him. The pope held Mass publicly in the Victory Square,
Warsaw Warsaw, officially the Capital City of Warsaw, is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-central Poland. Its population is officially estimated at ...
, which was usually reserved for state-sponsored events. In the
Lenin Shipyard Vladimir Ilyich Ulyanov ( 187021 January 1924), better known as Vladimir Lenin, was a Russian revolutionary, politician and political theorist. He was the first head of government of Soviet Russia from 1917 until Death and state funeral of ...
, John Paul II held Mass in memory of the Polish workers who had been killed in a 1970 strike and carried a large wooden cross which some took to symbolize the burden of communism on the Polish people. The historian John Lewis Gaddis identified the 1979 papal visit as the "trigger that led to communism's collapse worldwide" because of its profound effect on the morale of the Polish people.Perrone, 13. The trade Union
Solidarity Solidarity or solidarism is an awareness of shared interests, objectives, standards, and sympathies creating a psychological sense of unity of groups or classes. True solidarity means moving beyond individual identities and single issue politics ...
emerged in Poland in 1980 under the leadership of
Lech Wałęsa Lech Wałęsa (; ; born 29 September 1943) is a Polish statesman, dissident, and Nobel Peace Prize laureate who served as the president of Poland between 1990 and 1995. After winning the 1990 Polish presidential election, 1990 election, Wałę ...
. The emergence of the Catholic anti-communist movement has been causally linked by many historians to Pope John Paul II's first papal visit to Poland in 1979. Indeed, John Paul II publicly defended the strikers and ordered the Polish Church to aid them in a message to Stefan Wyszyński, the archbishop of Warsaw and
Gniezno Gniezno (; ; ) is a city in central-western Poland, about east of Poznań. Its population in 2021 was 66,769, making it the sixth-largest city in the Greater Poland Voivodeship. The city is the administrative seat of Gniezno County (''powiat'') ...
. Most previous Polish revolutionary movements had been secular, but Solidarity centered on the religious symbols of the
Christian cross The Christian cross, seen as representing the crucifixion of Jesus, is a religious symbol, symbol of Christianity. It is related to the crucifix, a cross that includes a ''corpus'' (a representation of Jesus' body, usually three-dimensional) a ...
, the
rosary The Rosary (; , in the sense of "crown of roses" or "garland of roses"), formally known as the Psalter of Jesus and Mary (Latin: Psalterium Jesu et Mariae), also known as the Dominican Rosary (as distinct from other forms of rosary such as the ...
, and the
Madonna Madonna Louise Ciccone ( ; born August 16, 1958) is an American singer, songwriter, record producer, and actress. Referred to as the "Queen of Pop", she has been recognized for her continual reinvention and versatility in music production, ...
. In January 1981, Walesa visited Rome, met with the pope for the first time, and received his official recognition and support. On May 13, 1981, in St. Peter's Square, John Paul II was shot four times, hitting him in the abdomen and his left hand, by would-be-assassin Mehmet Ali Agca. Many scholars have claimed that the assassination attempt was part of a conspiracy by the Soviet Union, but that theory has never been proved. If true, the assassination attempt would reveal Soviet fears of the Pope's influence in the
Eastern Bloc The Eastern Bloc, also known as the Communist Bloc (Combloc), the Socialist Bloc, the Workers Bloc, and the Soviet Bloc, was an unofficial coalition of communist states of Central and Eastern Europe, Asia, Africa, and Latin America that were a ...
and his assistance in the Polish Solidarity movement. However, the pope survived. Initially, the Polish communists resisted the Solidarity rebels and imprisoned many of the movement's leaders between 1981 and 1983, but throughout the 1980s, the movement gained more power and thus more legitimacy. Consequently, in 1989, round-table talks were held between the leaders of Solidarity, the Soviet communists, and the Catholic Church. In 1990, Walesa was elected president of Poland and began large-scale capitalistic reforms. By 1992, Soviet troops had begun to leave Poland. That trend was paralleled by demonstrations and revolts in several other Soviet-controlled states. There has been much speculation by historians about the relationship between Pope John Paul II and US President
Ronald Reagan Ronald Wilson Reagan (February 6, 1911 – June 5, 2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. He was a member of the Republican Party (United States), Republican Party a ...
. Both leaders kept a regular letter correspondence and met in Rome in June 1982 and 1987. That interaction has caused many historians to believe that both leaders' cooperation strengthened the anticommunist cause. However, other historians, like
George Weigel George Weigel (born 1951) is an American Catholic neoconservative author, political analyst, and social activist. He currently serves as a distinguished senior fellow of the Ethics and Public Policy Center. Weigel was the founding president of th ...
, have argued that both men were able to make their political achievements. According to that view, the United States, under the leadership of Reagan, presented an economic challenge to the Soviet Union, which was entirely independent of Vatican influence. Therefore, Reagan's role in the collapse of the Soviet economy may have been more influential than that of Pope John Paul II. On December 1, 1989, the pope met with Soviet leader
Mikhail Gorbachev Mikhail Sergeyevich Gorbachev (2 March 1931 – 30 August 2022) was a Soviet and Russian politician who served as the last leader of the Soviet Union from 1985 to dissolution of the Soviet Union, the country's dissolution in 1991. He served a ...
. It was the first time a Catholic pope met with a Soviet leader. Both leaders agreed to establish diplomatic relations between the Vatican and the Soviet Union. Gorbachev also pledged to allow greater religious freedom within the Soviet Union. Many saw the meeting as a symbolic end to the philosophical conflict between the Soviet Union and the Vatican. It certainly showed a growing willingness on both sides to cooperate. Even though the pope was primarily a religious leader, his leadership also had significant political consequences. John Paul II used his Polish identity and connections to bring about the collapse of the nation's socialist regime. While the intervention of John Paul II was undoubtedly an essential factor in the ending of communist rule in Poland, how significant the pope's leadership was in the rest of Eastern Europe and within the Soviet Union itself is less clear. The efforts of anti-communist leaders such as Pope John Paul II and US President Ronald Reagan did not make the fall of the Soviet Union inevitable. However, both leaders hastened the end of the Cold War and the fall of communism, particularly in Eastern Europe.Perrone, 18.


See also

* Michel d'Herbigny S.J. * Holy See–Russia relations *
Religion in the Soviet Union Religion in the Union of Soviet Socialist Republics (USSR) was dominated by the fact that it became the first state to have as one objective of its official ideology the elimination of existing religion, and the prevention of future implanting ...
* Persecution of Christians in the Soviet Union * Persecution of Christians in Warsaw Pact countries * Ukrainian Greek Catholic Church in the Soviet Union * Chronicle of the Catholic Church in Lithuania


References

;Notes


External links


Vatican Diplomacy after the Cuban Missile Crisis: New Light on the Release of Josyf Slipyj
at '' Catholic Historical Review'' {{DEFAULTSORT:Holy See-Soviet Union relations Bilateral relations of the Soviet Union
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...