How to use periods properly.
Holidays:
Terminates a complete declarative or mild imperative sentence: There could be no turning back as war's dark shadow settled irrevocably across the continent of Europe.W. Bruce Lincoln. Return all the books when you can. Would you kindly affix yoursignature here.
Terminates sentence fragments: Gray cloudsand what looks like a veil of rain falling behind the East German headland. A pair of ducks. A tired or dying swan, head buried in its back feathers, sits on the sand a few feet from the water's edge.AnthonyBailey
Follows some abbreviations: Dec., Rev., St., Blvd., pp., Co.
