1826
ID: 764
Felix Mendelssohn revives Bach's St. Matthew Passion in Berlin - launches Bach revival
ID: 764
1826
ID: 765
Nikolai Lobachevsky develops first non-Euclidean geometry - challenges 2000-year-old Euclidean assumptions
ID: 765
1826
ID: 766
Niels Henrik Abel develops systematic theory of elliptic functions - foundation for algebraic geometry
ID: 766
1826
ID: 767
Tsar Nicholas I removes Arakcheyev from military colonies - investigations reveal abuse and failure
ID: 767
1826
ID: 768
Otto Unverdorben discovers aniline - later crucial for synthetic dye production
ID: 768
1826
ID: 763
March 13, 1826
Pope Leo XII condemns secret societies in Quo Graviora - 'beast in Apocalypse is revolutionary sect'
ID: 763