1886
ID: 1070
Pope Leo XIII officially adds St. Michael Prayer to Leonine Prayers, mandating after all Low Masses
ID: 1070
1886
ID: 1071
Ernst Haeckel coins term ecology and promotes Darwin's theories at University of Jena
ID: 1071
1886
ID: 1072
Arthur Andersen & Co. founded in Chicago - pioneers accounting as business consulting
ID: 1072
1886
ID: 1073
Heinrich Hertz generates and detects radio waves using Maxwell's equations
ID: 1073
1886
ID: 1074
Henri Poincare develops qualitative theory of differential equations - foundation for chaos theory
ID: 1074
1886
ID: 1075
Hall and Heroult simultaneously develop electrolytic process for aluminum production
ID: 1075
1886
ID: 1076
Nietzsche's Beyond Good and Evil - master vs slave morality, Christianity as slave revolt
ID: 1076
1886
ID: 4217
Hollerith receives his first patent (U.S. Patent 395,782) for 'Art of Compiling Statistics' - foundation of punch card data processing
ID: 4217