1: 1. "The Undertaker's WrestleMania Streak: A Legendary Era Ends."

2: 2. "Montreal Screwjob: The Betrayal That Shook WWE to Its Core."

3: 3. "Brock Lesnar Ends The Streak: WrestleMania's Unforgettable Upset."

4: 4. "The Monday Night Wars: WCW vs. WWE's Epic Battleground."

5: 5. "CM Punk's Pipe Bomb: The Infamous Promo That Ignited Controversy."

6: 6. "The Fingerpoke of Doom: WCW's Shocking Turn of Events."

7: 7. "The Nexus Invasion: WWE's Unprecedented Display of Chaos."

8: 8. "The Curtain Call: WWE's Breaking of the Fourth Wall."

9: 9. "The Montreal Miracle: Shawn Michaels' WrestleMania Comeback." Note: Although it's challenging to provide detailed descriptions within the word limit, each title aims to capture the essence of the most shocking moments in WWE history.