Historical biography archive · Updated 2026-11-03

Christopher Clavius Biography and Timeline

Follow Christopher Clavius through 1 dated historical records for Italy.

Build a biography Browse biographies Browse by event

Christopher Clavius, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records

1 of 1Page

1582–1582Years on this page

1582

24 February 1582

Calendar Reform

Jesuit · Astronomer and calendar reformer · Rome · Religion / Roman Catholic Church

Supports and explains the Gregorian calendar reform introduced by Gregory XIII

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.