Certain facts and dates from the history of the city may be awarded to be ‘after the year 1000’. A castle and a borough that existed in the point on Wawel Hill were reinforced with an earth wall along with a palisade. In the 10th and 11th centuries the very first brick edifices were built (the castle and Romanesque churches), the palace along with also a basilica, as well as the St. Felix and also Adaukt Church. In Krakow there was a bishopric created in the year 1000. At 1150 a cathedral school, the educational establishment in Poland before the building blocks of the university, was installed at the castle church. The regalia (the crown and sceptre of Boleslaus the Brave) were retained from the cathedral treasury. It was a library, together with 28 books, including elegies from Ovid, comedies by Terence, classic literature together side religious works, and monographs from Sallust. Back in 1142, Bishop Robert dedicated the “moment” Wawel Palace, which have been built to restore the ruined church. The entire body of St. Stanislas, afterwards it was transferred from the church at Skałka, and also the relicts of St. Florian, were solemnly placed to rest in the new cathedral. The branch of Poland and continuous fighting between regional dukes didn’t interrupt the rapid improvement of the city. Back in 1138, Krakow Castle became more crucial because the home of the duke as well as to some level, the funding of Poland, in accordance with the will of Boleslaus the. Fresh ones substituted the buildings destroyed during the invasion of the Tatars in 1241. The location of the city according to the Magdeburg law in 1257 gave it a brand new design with a centrally situated marketplace. In the 13th century that the city has been provided with a fortification system of fortified city shores, towers and city walls. The system modernised during the upcoming few centuries and was gradually inserted to. January 20, 1320 was this coronation’s very date; others followed within the next five centuries. The cathedral became the Royal burial website. The reign of Casimir the Great (Casimir III 1310-1370), patron of the sciences and arts, was of amazing importance for the city. Two cities, both Kazimierz and Kleparz, that were closely correlated with Krakow were situated by the king. Franciscan, gothic and Dominican churches were also built. Renovation of this castle and palace on Wawel Hill, and also the Cloth Hall, Town Hall and other public buildings have been continued. In 1364, Kazimierz the Great founded Krakow Academy, which had been the origin of the Jagiellonian University that was later.