30 April 1929ChancellorErnst Streeruwitz
Appointed Chancellor of Austria
Historical records for Austria in 1929, rendered directly from the World History Database and ordered by month, day and event.
Appointed Chancellor of Austria
Appointed Chancellor of Austria, 2nd term
Establishes completeness for the standard proof system of first-order logic.
Proves that every logically valid first-order formula is formally derivable.
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.