I'm 61 and I was taught this in school.
This is some very impressive evidence. I'm sure you couldn't be mistaken.
Please cite more than a handful of scientists who actually suggested there would be another ice age back in the 1970s. Otherwise, we're just going to have to disallow your impressive memory of grade school as proof of anything.
And don't forget to schedule that colonoscopy. At your age, it should be done every 5 years. And who knows, you may find that citation.