31 Years Before the Wheel
21007 Years Before Soccer
22405 Years Before Bottled Water
23506 Years Before Rocket Science
2 Years Before Bow and Arrows
25009 Years Before Music
28314 Years Before Commercials
26103 Years Before Fitness
23111 Years Before Love
29412 Years Before Dual Flush Toilets
64 Years Before the Soup Plate
28416 Years Before the Family Doctor
? Years Before Common Sense
20614 Years Before Cheap Junk
21415 Years Before Neighbourhood
188116 Years Before the Barber Shop
20517 Years Before Democracy
23819 Years Before Diving
20 Years Before Dance
20321 Before Traffic
26103 Years Before the Greenhouse Effect
21023 Years Before the Aeroplane
27326 Years Before Crossing Rivers
22228 Years Before Music Videos
247729 Years Before a Good Night's Sleep
24130 Years Before Superstition
