Authors:

In the history of the world there have been lots of onces and lots of times, and every time has had a once upon it. Most people will tell you that the once upon a time happened in a land far, far away, but it really depends on where you are. The once upon a time may have been just outside your back door. It may have been beneath your very feet. It might not have been in a land at all but deep in the sea's belly or bobbing around on its back.

N. D. Wilson (2008). “Leepike Ridge”, p.1, Random House Books for Young Readers
In the history of the world there have been lots of onces and lots of times, and every time has had a once upon it. Most people will tell you that the once upon a time happened in a land far, far away, but it really