1929
ID: 395
Gödel proves completeness theorem for first-order logic in his doctoral dissertation
ID: 395
1929
ID: 1355
Pope Pius XI signs Lateran Treaty with Mussolini, creating Vatican City State
ID: 1355
1929
ID: 1356
Stock Market Crash begins Great Depression (Firstenberg suggests correlation with radio wave proliferation)
ID: 1356
1929
ID: 1357
$520 million in gifts to Protestant churches (figure later used by CPUSA in infiltration planning)
ID: 1357
1929
ID: 1358
Wilhelm Reich visits USSR, lectures but eventually becomes too radical for Soviets
ID: 1358
1929
ID: 1360
Edwin Hubble discovers expanding universe using mathematical analysis of redshift data
ID: 1360
1929
ID: 1361
Cod liver oil reduces puerperal fever deaths by 66%
ID: 1361
1929
ID: 1362
Dulles brothers draft BIS legal framework - Allen Dulles represents Wall Street interests in Basel negotiations
ID: 1362
1929
ID: 5074
Coptic Manichaean codices discovered in Medinet Madi, Egypt - includes Kephalaia, Psalm-Book, and Homilies, revolutionizes understanding
ID: 5074
1929
ID: 5602
German engineers develop first quantitative surface roughness measurement standards and instruments
ID: 5602
1929
ID: 1363
June 13, 1929
Lucia's vision at Tuy - Trinity and Our Lady appear - 'The moment has come for consecration of Russia'
ID: 1363
1929
ID: 1359
October 29, 1929
Stock Market Crash on 'Black Tuesday' - Many companies had provided misleading financial data to investors
ID: 1359
1929
ID: 4233
November 17, 1929
Herman Hollerith dies at age 69 - his punch card technology foundation for modern computing industry
ID: 4233