Kaiser Ferdinand I was the Emperor of Austria from 1835 until his abdication in 1848. He was born on April 19, 1793, and was a member of the House of Habsburg-Lorraine. His reign was marked by political unrest and the rise of nationalist movements within the Austrian Empire. Ferdinand I was known for his weak leadership and inability to manage the growing tensions among various ethnic groups. In 1848, amid widespread revolutions across Europe, he abdicated in favor of his nephew, Franz Joseph I, who would go on to rule for nearly 68 years.