comma between the day and year in a date.
London, England January 12, 2016
9. Numbers: place a comma in large numbers each three places right of the decimal.
5, 567, 543
8. Dialogue: place a comma between the line of dialogue and the tag which tells who is speaking.
Mary said, “Pass me the sugar.”
7. Direct Address and Interjections: place a comma after the name that you are speaking directly to as well as after words that indicate exclamation or emotion.
Wow, I love chocolate!
6. Between Adjectives: place a comma between adjectives that are side by side and used to describe the same noun.
It is a big, blue house.
5. Appositives: place a comma around the noun or noun phrase that renames another noun beside it.
The mosquito, an insect, leaves red bumps that itch.
4. Conjunctive Adverbs: place a comma after a conjunctive adverb used to join two main clauses.
I love the holidays; however, I often work too hard.
3. Introductory Elements: place a comma after introductory phrases, clauses and words that appear
before the main clause of a sentence.
After breakfast, I leave for school.
2. In Lists: place a comma between three of more items in a list.
I like pizza, pasta, and garlic bread.
Harry hit the ball, but John caught it.