Question: When did the city where the author of Pacem in Terris died become its own country?

<P0-S0> Pacem in terris () was a papal encyclical issued by Pope John XXIII on 11 April 1963 on the rights and obligations of individuals and of the state, as well as the proper relations between states. <P0-S1> It emphasized human dignity and equality among all people, and made mention of issues such as the rights of women, nuclear non-proliferation, and the United Nations, all of which it endorsed. <P0-S2> It was the last encyclical drafted by John XXIII, who had been diagnosed with cancer in September 1962 and died two months after the encyclical's completion. <P0-S3> Biographer Peter Hebblethwaite called it Pope John's "last will and testament". <P0-S4> Published on Holy Thursday, the Pope called it his "Easter gift". <SEP> <P1-S0> The name Vatican city was first used in the Lateran Treaty, signed on 11 February 1929, which established the modern city - state. <P1-S1> The name is taken from Vatican Hill, the geographic location of the state. <P1-S2> ``Vatican ''is derived from the name of an Etruscan settlement, Vatica or Vaticum meaning garden, located in the general area the Romans called vaticanus ager,`` Vatican territory''. <SEP> <P2-S0> pope john xxiii did not live to see the vatican council to completion. <P2-S1> he died of stomach cancer on 3 june 1963, four and a half years after his election and two months after the completion of his final and famed encyclical, pacem in terris. <P2-S2> he was buried in the vatican grottoes beneath saint peter's basilica on 6 june 1963 and his cause for canonization was opened on 18 november 1965 by his successor, pope paul vi, who declared him a servant of god. <P2-S3> in addition to being named venerable on 20 december 1999, he was beatified on 3 september 2000 by pope john paul ii alongside pope pius ix and three others. <P2-S4> following his beatification, his body was moved on 3 june 2001 from its original place to the altar of saint jerome where it could be seen by the faithful. <P2-S5> on 5 july 2013, pope francis – bypassing the traditionally required second miracle – declared john xxiii a saint, after unanimous agreement by a consistory, or meeting, of the college of cardinals, based on the fact that he was considered to have lived a virtuous, model lifestyle, and because of the good for the church which had come from his having opened the second vatican council. <P2-S6> he was canonised alongside pope saint john paul ii on 27 april 2014. john xxiii today is affectionately known as the "good pope" and in italian, "il papa buono". <SEP> <P3-S0> the streets of ankh-morpork is a brief guide and map of the fictional city of ankh-morpork in discworld, a fantasy series by english author terry pratchett. <P3-S1> the final, artwork-grade map was drawn by stephen player, who also drew the artwork for a later publication, "the discworld mapp". <SEP> <P4-S0> Pope John XXIII (25 November 1881 – 3 June 1963) and Pope John Paul II (18 May 1920 – 2 April 2005) reigned as popes of the Roman Catholic Church and the sovereigns of Vatican City (respectively from 1958 to 1963 and 1978 to 2005). <P4-S1> Their canonizations were held on 27 April 2014. <P4-S2> The decision to canonize was made official by Pope Francis on 5 July 2013 following the recognition of a miracle attributed to the intercession of John Paul II, while John XXIII was canonized for his merits of opening the Second Vatican Council. <P4-S3> The date of the canonization was assigned on 30 September 2013.