This is a historical date in science-fiction history, as September 13, 1999 was the date given for the explosion that sparked the storyline in Space 1999. Here's a bit of crossover Space 1999 trivia: One episode featured Ian McShane, aka Deadwood's Al Swearengen.

1999 Links:	Thanks Ant and Mike Martinez and Acleacius.
Play:	Flock Together.
Links:	Bill Murray is 60! Celebrate with 60 Bill Murray facts. Thanks Digg. The $60,000 Speedboat Pool Table. Thanks Neatorama.
Stories:	Don't S**t Your Pants. Related video. NSFW. Woman Has World's Largest Breast Implants Removed. Thanks Neutronbeam.
Science:	Rumbles From The Deep. Why your stomach growls. Research Upends Traditional Thinking on Study Habits. Thanks Neatorama.
Images:	Arrested Development Movie Meets The Simpsons. The Most WTF 'Star Trek' Stills Of All Time.
Media:	Welcome Freshmen - Have Fun, Skip Classes. The Entire Metal Gear Solid Story Explained In 1m37s. Cheeseburger vs Hydrochloric Acid.
The Funnies:	xkcd- Password Reuse. ActionTrip Comic Strip- Pet PC.