1.Avoid using a semicolon when a dependent clause comes before an independent clause. Incorrect: Although they tried; they failed. Correct: Although they tried, they failed.
2. Do not capitalize common nouns or ordinary words after a semicolon. Incorrect: Chris was tired; He went to sleep. Correct: Chris was tired; he went to sleep.
3. Use a semicolon to separate a series when one or more contain a comma. Example: People came to camp from Moscow, Idaho; Springfield, California; Alamo, Tennessee; and other places as well.