Well, her marriage was a significant event as it made her the queen of Jhansi. After her husband passed away, the British's move to take over Jhansi was a major turning point. She didn't submit meekly. Instead, she started preparing for war. She actively participated in the 1857 revolt. She fought numerous battles, and her fight at Gwalior was a crucial part of her life story where she showed extreme courage even in the face of certain defeat.
The key events start with her birth and upbringing which instilled in her the values of courage. Her marriage brought her to Jhansi. The death of her husband put Jhansi in a precarious position with the British wanting to annex it. She defied the British by refusing to give up her kingdom. She played an important role in the 1857 uprising. She led her troops in battles across Jhansi and nearby regions. Her final battle at Gwalior, where she fought valiantly against the British, is a memorable event that cements her place in history as a great freedom fighter.