Timeline of Jewish-Polish history Timeline of Jewish-Polish history This article presents the timeline of selected events concerning the history of the Jews in Poland beginning with the formation of the Polish state under its first ruler, Mieszko I of Poland. 960 A Jewish merchant and slave trader from Spain, Ibrahim Ibn Jaqub (Abraham ben Jakov), travels to Poland and writes the first description of the country and the city of Kraków. Jewish traders are very active in Central Europe. Mieszko I mints coins with Hebrew letters on them, though some attribute the coins to the times of Mieszko the Old. 1264 Polish Prince Boleslaus
Mieszko I of Poland copying the document he made a mistake and wrote down Dagome instead of Dagomer or even Dagomir. The name Dagomir is used to this day and its construction is similar to other Polish names like for example: Władimir/Włodzimierz or Casimir/Kazimierz. The evolution of the "-mir" element to "-mierz" is due to two separate developments: first, the regular change of the vowel "i" to "(i)e" before "r", and second, the modification of the nominative case by the vocative for certain names (hence, Kazimierz replaced Kazimier based on the vocative Kazimierze). It is debatable whether the name Mieszko is a nickname formed