From Newsarama, not sure if the ranking is based on best, most important, or favorite. Add, replace, or rearrange any you don't agree with.
https://www.newsarama.com/38076-top-...impact.html#s1
10. Identity Crisis
9. Green Lantern Rebirth
8. Zero Hour
7. Rebirth
6. Final Crisis
5. Death of Superman
4. Flash of Two Worlds
3. Infinite Crisis
2. Flashpoint - New 52
1. Crisis On Infinite Earths