Public holidays in São Tomé and Príncipe

São Tomé Day (São Tomé and Príncipe)

Forefathers' Day

Forefathers' Day (Plymouth, Massachusetts)

December 21 (Eastern Orthodox liturgics)

Christian feast day:
December 21 (Eastern Orthodox liturgics)

Thomas the Apostle

Christian feast day:
Thomas the Apostle

Peter Canisius

Christian feast day:
Peter Canisius

O Antiphons

Christian feast day:
O Oriens

Armed Forces Day

Armed Forces Day (Philippines)

Art Evans (actor)

Art Evans, American actor (born 1942)

Michelle Botes

Michelle Botes, South African actress (born 1962)

2023 Prague shootings

Fourteen people are killed and 25 others injured during a mass shooting at Charles University in Prague, Czech Republic.

Great conjunction

A great conjunction of Jupiter and Saturn occurs, with the two planets separated in the sky by 0.1 degrees. This is the closest conjunction between the two planets since 1623.

Andrew Clennel Palmer

Andrew Clennel Palmer, British engineer (born 1938)

Bruce McCandless II

Bruce McCandless II, US astronaut who conducted the first untethered spacewalk (born 1937)

Billie Whitelaw

Billie Whitelaw, English actress (born 1932)

Sitor Situmorang

Sitor Situmorang, Indonesian poet and author (born 1923)