Richard Milhous Nixon did not have a tragic or particularly notable "event" happen to him. He was a controversial figure, but his life ended relatively peacefully.
Here's a brief summary of his later years:
* 1974: Nixon resigned from the presidency due to the Watergate scandal.
* 1974-1994: He retired to California and wrote books, practiced law, and gave public speeches.
* 1994: He died from a stroke at the age of 81.
If you're looking for information about a specific incident in Nixon's life, please provide more details, and I'll be happy to help!