-
130
Ptolemy greatest contribution to science
He formed the geocentric theory. In Greece. -
165
Ptolemy
Ptolemy was born in Egypt. -
Apr 29, 1473
Copernicus
Copernicus was born in Torun, Poland. -
Aug 3, 1492
Christopher Colombus
Christopher Colombus founded America. -
May 1, 1543
Copernicus greatest contribution to science
Determined plantes orbit around the sun. -
Apr 29, 1564
Gallileo
Gallileo was born in Pisa, Italy. -
Apr 29, 1571
Kepler
Kepler was born in Weil der Stadt, Germnay. -
Keplers contribution to science
Planatary motion. Prague. -
Galilleo's main contribution to science
He invented an improved telescope that let him observe and describe the moons of Jupiter, the rings of Saturn, the phases of Venus, sunspots and the rugged lunar surface. In pisa, Italy. -
Newton
Newton was born in Woolsthorpe, England. -
Abraham Lincoln
Prresident Lincoln ends slavery. -
Einstein
Einstein was born in Ulm, Germany. -
Bohr
Bohr was born in Copenhagan, Denmark. -
Curie's contribution to science
The discovery of radium and other key elements. -
Einsteins contribution to science
The quantum theory and the thoery of relativity. -
Bohr's greatest contribution
He made the atomic model. In copenhagen. -
WW1
WW1 has started. -
WW2
WW2 officially starts. -
Jackie robinson plays first MLB game.
Jackie robinson plays first major leave game. First ever African american to play baseball. -
Vietnam War
The Vietnam war officially starts. -
Twin Towers
Foreign Plane Jackers steals airplane and crash into the Twin Towers. -
Curie
Curie was born in Warsaw, Poland. -
Aristotle
Aristotle was born in Stagira, Greece. -
Aristotles greatest contribution to science
He formulated the scientific method which is used today. In Greece.