This may be termed the red-letter year of the Canadian post-office.
That will make it another kind of red-letter day—S for S'prise.
Phœbe's graduation from the Greenwald High School was her red-letter day.
However that may be, certain it is that this is a red-letter night at the Mermaid.
The girl came to count that a red-letter day on which she did not see her mistress.