Historical biography archive · Updated 2026-11-03

Leon Czolgosz Biography and Timeline

Follow Leon Czolgosz through 2 dated historical records for Poland.

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Leon Czolgosz, historical timeline

A chronological timeline drawn from matching World History Database records.

2Distinct records

1 of 1Page

1873–1901Years on this page

1873

Birth of Leon Czolgosz

Government / Government of Poland

Birth of Leon Czolgosz

1901

6 September 1901

Assassination of William McKinley

New York · Government / Government of Poland

An anarchist who assassinates President William McKinley in New York at the Buffalo Pan-American Exposition

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.