1) The musical "The Phantom of the Opera" has been running in London's West End since 1986, making it the longest-running musical in history.

2) The concept of campaign finance refers to the funding and financial resources required to support political campaigns, including donations from individuals, organizations, and political action committees (PACs).

3) The world's first car radio was invented in 1929.

4) The windshield wipers were invented by a woman named Mary Anderson in 1903.