"Put the date in full. It is another aggravating thing, when you wish, years afterwards, to arrange a series of letters, to find them dated "Feb. 17", "Aug. 2", without any year to guide you as to which comes first. And never, never, dear Madam (N.B. this remark is addressed to ladies only: no man would ever do such a thing), put "Wednesday", simply, as the date!"