Eugen Piwowarsky (November 10, 1891, Leschnitz, Oberschlesien - November 17, 1953, Aachen) was a German metallurgist. Events 1444 - Battle of Varna: The crusading forces of King Vladislaus III of Varna (aka Ulaszlo I of Hungary and Wladyslaw Year 1891 ( MDCCCXCI) was a Common year starting on Thursday (link will display the full calendar of the Gregorian calendar (or a Common Leśnica (Leschnitz Bergstadt is a Town in Poland. Since 1999 it has been in Strzelce Opolskie County in Opole Voivodship. The Province of Upper Silesia (Provinz Oberschlesien Górny Śląsk Silesian: Górny Ślonsk) was a province of the Free State of Prussia created Events 284 - Diocletian is proclaimed emperor by his soldiers Year 1953 ( MCMLIII) was a Common year starting on Thursday (link will display full calendar of the Gregorian calendar. ( Ripuarian: Oche, Dutch: Aken, Spanish: Aquisgrán, Italian: Aquisgrana, French, Metallurgy is a domain of Materials science that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their