Piotr Maffon, a Cracow bourgeois, became a new postmaster, who on 9 January 1564 was granted a special right to run the postal service within a period of five years. Within this period a significant regress of this institution was indicated, among all, there was lack of permanent connection with Venice. Due to this fact, the contract with Maffon was terminated before the deadline and Sebastian Montelupi, who was one of the richest Cracow bourgeois, applied for the position of the postmaster. He was granted a relevant privilege on 18 November 1568, however, he took up a position of the postmaster only under the extended privilege of 22 June 1569. As of the date of taking up the post, referred to as “royal post”, by Sebastian Montelupi, its initial development phase finished. Montelupi's Royal Post was responsible for delivering the parcels to the king once a week, when the ruler was residing in any location within the Crown of the Kingdom of Poland, or once every three weeks when he was residing in Lithuania. The route to Venice was operated every 15 days and to Vilnius every 17 days. For his services Montelupi received 1300 thalers yearly and used the payments for private consignments. Furthermore, the royal carriages were also at his disposal. The Montelupi Kamienica located in Cracow at Rynek Główny no. 7 was the principal office of the post office. Events 18 October 1558 – the establishment of the Royal Post, as a formal public institution, by King Sigismund Augustus who “established permanent postal route between Cracow and Venice through Vienna, by means of the post, i.e. horse relay post”. The 18 October is an official Polish Post holiday. 1928 – the government-owned enterprise Polish Post, Telegraph and Telephone (pol. Polska Poczta, Telegraf i Telefon) was created 1939 – Defence of the Polish Post Office in Danzig (Gdańsk) 1944 – Lublin postal district was established, which is considered to be the beginning of the contemporary Polish Post. 1991''' – a section providing telecommunication services was separated from the state organizational unit Polish Post, Telegraph and Telephone and Polish Telecommunications (pol. Telekomunikacja Polska) was created. 1 January 2006 – Polish Post introduced the cash on delivery services, at the same time resigning from linking the cash on delivery service with other services (letters, parcels). 1 September 2009 – Polish Post, as a result of commercialization, was transformed into a