| 22 December 1887 |
India
|
Mathematics
|
Srinivasa Ramanujan is born
|
| 7 April 1843 |
India
|
International history trans-atlantic slavery
|
British India Act V declares slavery unlawful in company courts
|
| 21 Maart 499 |
India
|
Astronomy
|
Sine tables support astronomical calculation
|
| 21 Maart 499 |
India
|
Astronomy
|
Earth's rotation explains the apparent motion of the sky
|
| 21 Maart 499 |
India
|
Astronomy
|
Indian astronomy combines algorithms and observation
|
| 21 Maart 499 |
India
|
Astronomy
|
Aryabhata establishes a computational epoch
|
| 21 Maart 499 |
India
|
Mathematics
|
Place-value language supports large calculations
|
| 21 Maart 499 |
India
|
Mathematics
|
Aryabhata gives a highly accurate approximation of pi
|
| 21 Maart 499 |
India
|
Mathematics
|
Indian mathematics links trigonometry and astronomy
|
| 21 Maart 499 |
India
|
Mathematics
|
Aryabhata establishes a computational epoch
|