I enjoyed looking at how things get connected. Some queries were rather boring, just routing through shared dates (or, worse, years), like the first one below. Some were quite funny.

Shortest path from Great Wall of China to Larry Wall is 3 clicks:
Great Wall of China -> April 19 -> 1949 -> Larry Wall

Shortest path from Larry Wall to Great Wall of China is 3 clicks:
Larry Wall -> Christianity -> Attila the Hun -> Great Wall of China

Shortest path from Perl to Great Wall of China is 3 clicks:
Perl -> Bioinformatics -> Evolution -> Great Wall of China

Shortest path from Perl to Carnegie Hall is 3 clicks:
Perl -> American National Standards Institute -> New York City -> Carnegie Hall

Shortest path from Perl to Python is 3 clicks:
Perl -> C (programming language) -> Buffer overflow -> Python

Shortest path from Python to Perl is 2 clicks:
Python -> Monty Python -> Perl

Shortest path from Perl to Bowler hat is 3 clicks:
Perl -> Latin -> The Adventures of Tintin -> Bowler hat

Shortest path from Perl to Pineapple is 3 clicks:
Perl -> Golf -> Mexico -> Pineapple

Shortest path from Perl to Athlete's foot is 3 clicks:
Perl -> 1987 -> Dougie Poynter -> Athlete's foot

Shortest path from Perl to Potted meat is 5 clicks:
Perl -> APL (programming language) -> 1964 -> Hedda Hopper -> Treet -> Potted meat food product

Shortest path from Perl Monks to Potted meat is 5 clicks:
Perl Monks -> Slashdot -> South Park -> 58th Primetime Emmy Awards -> List of Camp Lazlo episodes -> Potted meat food product

I'll just let you enjoy that tableau without further comment, so you can enjoy your own interpretations of the results (of speculation at why I came up with those specific end-points).