| 18 March 1871 |
France
|
Paris Commune
|
Paris rises after the army attempts to seize the cannons
|
| 18 March 1871 |
France
|
Paris Commune
|
Generals Lecomte and Clément-Thomas are killed
|
| 17 March 1871 |
France
|
Paris Commune
|
The government decides to seize the National Guard’s cannons
|
| 10 December 1799 |
France
|
Mathematics
|
Platinum metre and kilogram standards are deposited
|
| 10 December 1799 |
France
|
Mathematics
|
Abstract definitions require material artifacts
|
| 10 December 1799 |
France
|
Mathematics
|
The metric system becomes portable through copies
|
| 10 December 1799 |
France
|
Mathematics
|
Global metrication later follows both cooperation and empire
|
| 7 April 1795 |
France
|
Mathematics
|
France legally adopts the metric system
|
| 7 April 1795 |
France
|
Mathematics
|
Decimal structure organizes measurement
|
| 7 April 1795 |
France
|
Mathematics
|
Universal language claims meet local practice
|
| 7 April 1795 |
France
|
Mathematics
|
Measurement reform serves commerce and administration
|
| 4 February 1794 |
France
|
Racism
|
The Convention abolishes colonial slavery
|
| 25 October 1671 |
France
|
Astronomy
|
Cassini discovers Saturn's moon Iapetus
|
| 25 October 1671 |
France
|
Astronomy
|
A second Saturnian moon enters the record
|
| 25 October 1671 |
France
|
Astronomy
|
Iapetus's unusual visibility invites study
|
