Leopold I, Duke of Austria was born in 1290 and became the Duke of Austria in 1326. He was a member of the House of Babenberg and played a significant role in the political landscape of medieval Europe. Leopold I is known for his efforts to consolidate power in the region and expand the territories under his control. During his reign, Leopold I faced various challenges, including conflicts with neighboring states and internal disputes. He was instrumental in the development of Vienna as a key city in Austria. Leopold I passed away in 1326, leaving a lasting legacy in the history of the Austrian duchy.