Joseph I was the Holy Roman Emperor from 1705 until his death in 1711. He was the son of Leopold I and became emperor after his father's long reign. Joseph I aimed to strengthen the central authority of the empire and was involved in various military campaigns during the War of the Spanish Succession. During his reign, Joseph I faced challenges from both internal and external forces, including rising nationalism and conflicts with France. He was known for his efforts to modernize the administration and improve the empire's finances. However, his reign was relatively short, and he died without a male heir.