Between 1541 and 1613, Transylvanian armies underwent a process of transition and adaptation that combined medieval traditions and early modern military innovations.

Dr. Florin Nicolae Ardelean (born in 1983), is a researcher at Babeș-Bolyai University in Cluj-Napoca, Romania. During his 14 years of work in the field of historical research, Dr. Ardelean has been involved in three national research grants, has published one monograph (in Romanian) and over 25 articles in academic journals (in Romanian and English) on the topics of late medieval and early modern warfare. His publications are based on research conducted in Romanian, Hungarian and Austrian archives and libraries. His professional experience also includes history teaching, various projects of historical popularization and consultancy in the video game industry.