1717 – Born in Paris, on the 16th of November, d’Alembert was the illegitimate child of the writer Claudine Guérin de Tencin and the chevalier Louis-Camus Destouches, an artillery officer.
1739 – At the age of twelve he entered the jansenist Collège des Quatre-Nations.
1735 – Graduated bachelier in philosophy, law, and the arts at jansenist Collège des Quatre-Nations.
1783 – He entered law school for two years, and was nominated avocat.
1739 – His first contribution to the field of mathematics, pointing out the errors he had detected in L’analyse démontrée.
1740 – Submitted his second scientific work from the field of fluid mechanics Memoire sur le refraction des corps solides.
1745 – D’Alembert was engaged as co-editor for mathematics and science with Diderot.
1740 – He entered the Académie des sciences.
1741 – Joined the Académie de Berlin at 28.
1754 – Elected as member of the Académie française.
1772 – Became Permanent Secretary of Académie française on 9th of April.
1738 – He died of a bladder illness on the 29th of October and was in a common unmarked grave.
In France, the fundamental theorem of algebra is known as the d’Alembert/Gauss theorem.
He created his ratio test, a test to see if a series converges.