1-500AD 3000-1000BC 9000-7000BC 1000BC-100AD
1615 1215 1015 1415
500AD 100BC 1000BC 100AD
1912 1904 1898 1908
1904 1864 1844 1884
1937 1927 1917 1932
Leibnitz (1646-1716) Copernicus (1473-1543) Kepler (1571-1543) Newton (1642-1727)
2700-2500BC 8600-8400BC 10000-9800BC 4700-4500BC
Canada Netherlands New Zealand United States
1848 1799 1749 1818