Historical biography archive · Updated 2026-11-03

John Ryan Biography and Timeline

Follow John Ryan through 1 dated historical records for United States of America.

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John Ryan, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records

1 of 1Page

1972–1972Years on this page

1972

10 May 1972

Linebacker Air Campaign

General · Air Force chief of staff · Washington · Warfare / Vietnam War, 2nd

Oversees Air Force operations as Operation Linebacker begins

Role range: 1960-1975 – 1969-1973

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.