Permanent historical records · Updated 2026-11-03

1921 in Japan

Explore 5 historical events and records for Japan in 1921.

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Historical records for Japan in 1921

Sorted by month and day. Records with no month are shown last. Showing 5 of 5 unique records.

5Unique records

1 of 1Page

5Named events on this page

4Named people on this page

0Places on this page

November

4 November 1921

Assassination of Kei Hara

Hara, Kei · Prime Minister of Japan · Government / Government of Japan

The Prime Minister of Japan is assassinated by a Korean

4 November 1921

Death of Kei Hara

Hara, Kei · Prime Minister of Japan · Government / Government of Japan

The Prime Minister of Japan is assassinated by a Korean

25 November 1921

Regency

Hirohito · Regent · House / House of Tokugawa

Appointed Regent, due to fathers illnes

Other events (month unknown)

1921

Chairman

Suzuki, Daisetsu Teitaro · Chairman of Buddhist Phil · Humanities / Social Science

Appointed Chairman of Buddhist Philosophy at Otani University

1921

Succession

Taisho · House / House of Tokugawa

Succession of Hirohito as regent due to Taishos poor mental health

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How these records were prepared

Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.