1879 - Jožef Stefan observes that the total radiant flux from a blackbody is proportional to the fourth power of its temperature and states the Stefan-Boltzmann law
1884 - Ludwig Boltzmann derives the Stefan-Boltzmann blackbody radiant flux law from thermodynamic considerations
1888 - Henri-Louis Le Chatelier[?] states that the response of a chemical system perturbed from equilbrium will be to counteract the perturbation
1893 - Wilhelm Wien discovers the displacement law for a blackbody's maximum specific intensity
... can refer to:
Christiania - the name of Oslo, from 1624 to 1925.
The Free State of Christiania - a partially self-governing neighborhood in the city of ...