Don't qualify the word "unique"; a thing may be "unique," but it cannot be "very unique," "quite unique," "rather unique," or "more unique."
Don't use the inverted passive: e. g., "A man was given a dinner," "Smith was awarded a medal."
Don't concoct long and improper titles: Justice of the Supreme Court Smith, Superintendent of the Insurance Department Jones, Groceryman Brown. If the title is long put it after the man's name; thus: George Smith, justice of the Supreme Court.
Don't use the verb "occur" with weddings, receptions, etc.; they take place by design and never unexpectedly.
Don't say "a number of," if you can help it. Be specific.
Don't use the word "lady" for "woman," or "gentleman" for "man."
Don't say "a man by the name of Smith," but "a man named Smith."
Don't use "depot" for "station"—railway passenger station.