The Calendar
??? B.C.		 calendar Pottery
7,900 B.C.		 Egyptian with Carpenter Plywood
3500 B.C.		 Egyptian with Carpenter Wheel
3200-3500 B.C.		 Toothpaste
3,000 B.C.		 Toothpaste Swimming
Pools
2500 B.C.		 Swimming Pool Paper
105 AD		 Paper Saddle
365 AD		 Saddle Eyeglasses
1200s		 Eyeglasses Abacus
1200 A.D.		 Abacus The Watch
1300s		 The Printing Press
1450s
Newspaper
 The Toilet
1500s		 Newspaper Pencil
 1565		 Newspaper The Telescope
1608		 The Telescope Christmas Lights
About 1650		 Christmas lights The Microscope
1674		 Microscope Batteries
1790s		 Batteries, 1790s Vaccinations
1796		 Vaccination The Clothes Dryer
1800		 Clothes Dryer The Steam Engine
1803		 The Steam Engine The Camera
1827		 camera Sewing Machines
1790 - 1840		 Primitive sewing machine The Bicycle
early 1800's 		Can opener
1813		 The Fax
1843		 Fax Machine Lawnmower
mid 1800s		 Lawnmower The Dishwasher
1850		 dishwasher Hot Dogs
1860's		 hotdog The Traffic Light
1868		 Traffic Light Telephone
1876		 Recorded Sound
1877
Recorded Sound		 Lightbulb
1879		 Lightbulb The Zipper
1890		 zipper Typewriter
1898
typewriter		 Flashlight
1898
flashlight		 Ball-point Pen
Late 1800s		 ball-point pen Automobile
around 1900		 The Automobile Radio
Transmission
1901
Radio		 Vacuum Cleaner
1901
Vacuum Cleaner		 Powered Flight
1903		 Bi-Plane Plastic
1907		 Plastic Assembly Lines
1908		 The first Model T assembly line The
Refrigerator
1911 		Credit Card
1920s		 Insulin
1921		 Insulin The Electric Guitar
1923		 Electric Guitar The Television
1927		 Television Sliced Bread
1928		 Sliced Bread Penicillin
1929		 Mold Pablum
1931		 Mold

Velcro
1940's

Computers
Eniac
1945		 Eniac Computer

 

The Frisbee
1948

 Frisbee Liquid Paper
1956		 The Snowmobile
1959		 Snowmobile The Computer Mouse
1964		 Mouse The Internet
1973		 Computer Compact Discs
1980		 CD Post it
Notes
1980 		The
Space Shuttle
1981		 Space Shuttle The V-Chip
1995
Computer Chip 		DVD (Digital Versatile Disc
or Digital Video Disc)
1995		 DVD