Went to Prague to meet an old friend only to find out he's on vacation in Spain. Happened to find an American sports bar showing the World Series. Sit down next to a girl and after talking for a while, we figure out that she just graduated from the tiny liberal arts college I was attending and her roommate was my friend from my hometown.

Next door neighbor goes to China on business. Customs guy looks at his passport and says "you live in a white house with a black front door." The man is astonished and asks how he could possible know. Customs guy says "I used to rent a room in Judy's house (other neighbor)."

Older brother goes beach party in the Hamptons as part of a fraternity thing and is wearing college sweatshirt. Meets a girl who says "oh, you go to U of M? Do you know BrothersName?" He replies, "I am brothersname." Turns out I worked with he as a lifeguard several states away.

Took a picture at a concert I attended just before my freshman year in college. Junior year I was showing them to my roommate whom I didn't meet until sophmore year. He was in the picture. Sitting directly in front of me.