![mittelalterlicher Wehrbau im Vorderen Orient](https://www.plus.ac.at/wp-content/uploads/2021/02/20171204_Piana-2000x1283.jpg)
4 December: From the Byzantine City Fortifications to the Crusader Castles – To the Development of Fortification in the Middle East from Late Antiquity to the Middle Ages
Guest lecture on Monday, 4 December, 2017, 18:30 with Dr. Mathias Piana (Augsburg) in the cast-collection SR E.33, Classical and Early Aegean Archeology, Residenzplatz 1.
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![Plakat der Ringvorlesung](https://www.plus.ac.at/wp-content/uploads/2021/02/PRN_RES1EG0-UFPRN05_0238_001_04-2000x1414.jpg)
7 December: Lecture Series: Between Heaven and Earth. Angels and Demons in the Jewish Tradition and Their Community
Guardian Angel and more – Dr. Maria E. Dorninger (Salzburg) – Thursday, 7 December, 2017, 17:15 HS E.001 (Unipark)
![Irena Müller-Brozovic (privat)](https://www.plus.ac.at/wp-content/uploads/2021/02/mueller_brozovic_irena_1__1_.jpg)
8 December: Lecture: DETERMINE MUSIC WITH QUESTIONS
Irena MÜLLER-BROZOVIC – music mediator, University of Music Basel (CH) – Friday, 8 DECEMBER, 2017, 18:00 – 20:00 – Atelier KunstQuartier, Bergstraße 12a, 5020, 1st floor.