There were anomalies everywhere.
And no one had noticed.
You had to hand it to human beings. They had one of the strangest powers in the universe. Even her grandfather had remarked upon it. No other species anywhere in the world had invented boredom. Perhaps it was boredom, not intelligence, that had propelled them up the evolutionary ladder. Trolls and dwarfs had it, too, that strange ability to look at the universe and think 'Oh, the same as yesterday, how dull. I wonder what happens if I bang this rock on that head?' And along with this had come an associated power, to make things normal. The world changed mightily, and within a few days humans considered it was normal. They had the most amazing ability to shut out and forget what didn't fit. They told themselves little stories to explain away the inexplicable, to make things normal.
Historians were especially good at it. If it suddenly looked as though hardly anything had happened in the fourteenth century, they'd weigh in with twenty different theories. Not one of these would be that maybe most of the time had been cut out and pasted into the nineteenth century, where the Crash had not left enough coherent time for everything that needed to happen, because it only takes a week to invent the horse collar.
The History Monks had done their job well, but their biggest ally was the human ability to think narratively. And humans had risen to the occasion. They'd say things like 'Thursday already? What happened to the week?' and 'Time seems to go a lot faster these days,' and 'It seems like only yesterday...'