1802 - He was born in Kolozsvár, Transylvania, on the 15th of December the son of a well-known mathematician, Farkas Bolyai. He was known for his work in non-Euclidean geometry.
1815 - At the age of 13, he had mastered calculus and other forms of analytical mechanics.
1818 - He studied at the Royal Engineering College in Vienna.
1820 - He prepared a treatise on a complete system of non-Euclidean geometry.
1823 - He developed non-Euclidean geometry independently of Nikolai Lobachevsky.
1832 - His work was published as an appendix to a mathematics textbook by his father.
1860 - János Bolyai died on the 27th of January.
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