Christian feast day: Jadwiga of Poland

Jadwiga, also known as Hedwig and in Hungarian: Hedvig, was the first female monarch of the Kingdom of Poland, as well its last hereditary ruler. She reigned from 16 October 1384 until her death. Born in Buda, she was the youngest daughter of Louis I of Hungary and Poland, and his wife, Elizabeth of Bosnia.

July 17 is the 198th day of the year in the Gregorian calendar; 167 days remain until the end of the year.