|
|
1460
|
|
Italy: Production of
clear glass perfected
|
|
|
1469
|
|
First printed version of Pliny the Elder’s Natural
History
|
|
|
c. 1480
|
|
Aztec sun stone calendar
|
|
|
c. 1480
|
|
First use of plus and minus signs
|
|
|
1480–1520
|
|
Italian inventor and artist Leonardo da
Vinci conceives of the parachute, helicopter, and wheel-lock
musket
|
|
|
1492
|
|
Christopher Columbus reaches North
America
|
|
|
1498
|
|
Vasco de Gama reaches Calicut,
India
|
|
|
c. 1500
|
|
Germany: Peter Henlein invents pocketwatch
|
|
|
1510
|
|
Polish astronomer Copernicus theorizes that Earth revolves around the
sun
|
|
|
1564–1642
|
|
Galileo Galilei
|
|
|
1582
|
|
Gregorian calendar introduced under Pope
Gregory XIII
|
|
|
1593
|
|
First modern abacus in China
|
|
|
1619
|
|
Germany: Johannes Kepler develops laws of
planetary motion
|
|
|
1621
|
|
First modern army under Gustavus II of
Sweden
|
|
|
1623–1662
|
|
French scientist Blaise
Pascal
|
|
|
1628
|
|
England: William Harvey
describes circulation of blood
|
|
|
1637
|
|
René Descartes proposes analytical
geometry
|
|
|
1659
|
|
Fermat’s theory
of probability
|
|
|
1662
|
|
Royal Society of London founded
|
|
|
c. 1665
|
|
England: Isaac Newton develops law of
gravity
|
|
|
1665–1675
|
|
Royal observatories constructed in Paris and
Greenwich
|
|
|
1673
|
|
Marquette and Joliet explore Upper Mississippi
|
|
|
1701
|
|
England: Jethro Tull invents seed
drill
|
|
|
1709
|
|
England: Process of producing iron in blast furnace
|
|
|
1714
|
|
Germany: Fahrenheit uses mercury to
create thermometer
|
|
|
1721
|
|
Boston: First
smallpox inoculations
|
|
|
1730
|
|
Bering Strait mapped and named
|
|
|
1733
|
|
Englishman John Kay invents flying shuttle loom
|
|
|
1735
|
|
Sweden: Carl Linnaeus develops system of
taxonomic classification
|
|
|
1740–1742
|
|
Processes of casting and galvanizing steel advanced
|
|
|
c. 1750
|
|
Beginning of the Industrial
Revolution
|
1450–1750: Science & Technology
