For 10 points, name this time-keeping system during a period that included the rise of Napoleon Bonaparte and Robespierre.
This system was the creation of a collection of men that included mathematician Gaspard Monge and poet Fabre d'Eglantine, though it was based off a creation of Pierre Syvain Marechal. Its finalization was overseen by Gilbert Romme, the President of the National Convention. Part of it was abolished by the Concordat of 1801, but it stayed in effect until (*) 1806, when it was finally abolished, though it would make an appearance under the reign of Adolphe Thiers and the Paris Commune. With entities named for various plants and animals, it introduced a decimal time system that used one hundred thousand second days and included extra days at the end of the year, which was divided into ten-day weeks. For 10 points, name this time-keeping system during a period that included the rise of Napoleon Bonaparte and Robespierre.
This system was the creation of a collection of men that included mathematician Gaspard Monge and poet Fabre d'Eglantine, though it was based off a creation of Pierre Syvain Marechal.
French Revolutionary Calendar or French Republic Calendar