Nicolaus Copernicus of his life. At the instance of Roger Boscovich, the Catholic Church's 1758 "Index of Prohibited Books" omitted the general prohibition of works defending heliocentrism, but retained the specific prohibitions of the original uncensored versions of "De revolutionibus" and Galileo's "Dialogue Concerning the Two Chief World Systems". Those prohibitions were finally dropped from the 1835 "Index". There has been discussion of Copernicus' nationality and of whether it is meaningful to ascribe to him a nationality in the modern sense. Nicolaus Copernicus was born and raised in Royal Prussia, a semiautonomous and polyglot region of the Kingdom of Poland. He was
Astronomer Copernicus, or Conversations with God which he portrayed in the ironic self-Portrait (he would finish "Astronomer Copernicus..." in a new studio in early 1873). The organizers of the festivities in Kraków were not supportive of Matejko's endeavour, and did not plan to display his painting during the official festivities. The German council of Toruń approached Matejko with an offer to buy it, but he refused, probably motivated by Polish patriotism, preferring instead to organize his own exhibition in Kraków. He was able to organize a display in February, in Kraków's City Council building, the Wielopolski Palace; profits from the display were donated to charity. The