When Napoleon first abdicated in 1814, at the "invitation" of Emperor Francis of Austria, the French empress, his daughter Louise, arrived at this Austrian palace with her son on May 21st. From then on, she became a crowned hostage.,Since the day before yesterday, her son has had a high fever that won't go down. The doctor said it's even life-threatening.,> Let me know if you have any other text you'd like me to translate!。