ET Gave Us Wi Fi has these relationships to other tropes:

parents kids shares a parent with:
Historical In Joke
parent child
Historical In JokePhlebotinum Killed The Dinosaurs
''Beethoven Was An Alien Spy
''Historical Person Punchline
''Roswell That Ends Well
''The Gump
''The Tunguska Event
''Who Shot JFK
You'll need to Get Known if you want to add or modify these relationships.