cases angļu valodā:

However, there are instances in history where entire peoples were successfully exterminated.

And soon after I procured Xenophon's Memorable Things of Socrates, in which there are many instances of the same method.

Instead use words like "some", "many", "often", and begin statements with openers like, "In my experience, ...", "Excuse me if I'm wrong, but...", "In many instances, ...."

I can give you several instances.