births

Zygmunt Janiszewski, Polish mathematician and academic (died 1920)

Historical image related to Zygmunt Janiszewski, Polish mathematician and academic (died 1920) from June 12, 1888

Zygmunt Janiszewski

Polish mathematician

Zygmunt Janiszewski was a Polish mathematician.
Source: Wikipedia (CC BY-SA)

June 12

Day of the year

June 12 is the 163rd day of the year in the Gregorian calendar; 202 days remain until the end of the year.
Source: Wikipedia (CC BY-SA)