1925
ID: 1330
IG Farben officially formed - merger of six German chemical companies becomes world's largest chemical corporation
ID: 1330
1925
ID: 1331
Denmark passes sterilization law
ID: 1331
1925
ID: 1332
Rev. Harry Ward's China work designed to 'bolster up the position of the Communist movement in China'
ID: 1332
1925
ID: 1333
Television technology demonstrated
ID: 1333
1925
ID: 1334
Fascist Suppression of Freemasonry - Mussolini dissolves Freemasonry in Italy entirely
ID: 1334
1925
ID: 1335
Werner Heisenberg develops matrix mechanics form of quantum theory
ID: 1335
1925
ID: 1336
Emil Artin develops systematic theory of algebraic numbers - Creates class field theory and reciprocity laws
ID: 1336
1925
ID: 1337
Stockholm infant mortality declines to 50 per 1,000
ID: 1337
1925
ID: 5608
German chemical industry develops synthetic cutting fluids - improved cooling and lubrication increases tool life 300%
ID: 5608
1925
ID: 4998
May 21, 1925
Pope Pius XI declares St. Peter Canisius Doctor of the Church - for saving Germany for the faith
ID: 4998
1925
ID: 1338
December 10, 1925
Sister Lucia's vision at Pontevedra - Child Jesus and Our Lady appear - Five First Saturdays devotion revealed
ID: 1338
1925
ID: 1329
December 11, 1925
Pope Pius XI establishes feast of Christ the King with encyclical 'Quas Primas' - 'Christ must reign in our minds'
ID: 1329