Poland occupies Gdansk
Historical records for Poland in 1930, rendered directly from the World History Database and ordered by month, day and event.
Poland occupies Gdansk
Appointed Prime Minister of Poland, 1st term
Forms a new Government
Appointed Prime Minister of Poland, 2nd term
Dissolves Parliament & has opposition members arrested
The Government wins the elections
Appointed Prime Minister of Poland, 2nd term
Has arrested & tortured 80 members of Parliament who disagreed with him
Develops refined ebulliometric instruments for accurate boiling-point comparison.
Establishes a central theorem in graph theory and topological combinatorics.
Characterizes planar graphs through subdivisions of two forbidden graphs.
Creates a production method using infected lice to cultivate the pathogen.
Advances physical chemistry through high-precision measurements of liquid mixtures.
Develops an effective vaccine against epidemic typhus.
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varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.