Timeline of Austria By Countrylife101 Jan 1, 700 Autria comes under the rule of Charlemagne the King of the Franks. Austria comes under the rule of Charlmagne the King of the Franks. Period: Jan 1, 700 to Jan 1, 1955 Timeline of Austria Jan 1, 1242 The last Babenberg duke died without a male heir. Jan 1, 1500 The Ottoman Empire invades Austria. Jan 1, 1700 The Habsberg King of Spain dies. Jan 1, 1815 Napoleon defeated. Jan 1, 1955 Austria joins the European Union. Mar 2, 2022 The Magyars from Hungary overrun Austria. Mar 2, 2022 Otto 1 of Germany defeats the Magyars and Austria. Mar 2, 2022 Otto 1 of Germany crowned as Emperor of the Holy Roman Empire. Mar 2, 2022 Otto 2 gives North eastern Austria to the Babenberg family.