[SunkenCiv]

There have been lots of glaciation events, all of them, literally, unexplained — apart from the usual resort to unworkable gradualist schemes by true believers. So it’s safe to say that there have been far more than three. :’)

[Lucius Cornelius Sulla]

So it’s safe to say that there have been far more than three. :’)

I was referring to three types of ice ages, not to three ice ages.