I would rather someone else do that. This is what else I found for events prior to 1950.

Here is one that identifies I assume are strong El Nino events
http://apollo.lsc.vsc.edu/classes/met130/notes/chapter10/elnino.html

Here is another for both El Nino and La Nino events
https://sites.google.com/site/medievalwarmperiod/Home/historic-el-nino-events