Inventions

chess predecessor chaturanga (India)

Inventions · 500

quill pen

Inventions · 550

match

Inventions · 550

published example

Inventions · 570

toothbrush (Chinese Tang dynasty)

Inventions · 619

Arsenic, Atomic Number 33

Inventions · 815

gunpowder (black powder)

Inventions · 1232

invention of movable metal type (Korean)

Inventions · 1234

movable metal type (Korean)

Inventions · 1234

trebuchet

Inventions · 1250

eyeglasses

Inventions · 1250

the plus (+) sign, credited to Nicole Oresme

Inventions · 1360

azure

Inventions · 1374

invention of the printing press (Korean)

Inventions · 1377

the printing press (Korean)

Inventions · 1377

golf ball

Inventions · 1400

harpsichord

Inventions · 1450

golf

Inventions · 1450

pocket watch

Inventions · 1462

Banca Monte dei Paschi di Siena (Italy)

Inventions · 1472

modern day chess

Inventions · 1475

the minus (-) sign, credited to Johannes Widmann

Inventions · 1489

sound navigation and ranging first used

Inventions · 1490

Christopher Columbus' first voyage to the "New World"

Inventions · 1492