July 31, 1579
Precision: day · Rank: normal
Original calendar: Julian. Displayed date is Gregorian.
A date. A name. A source.
THE DATE BEHIND THE NAME
(1579-1620)
Janusz Radziwiłł has incompatible recorded birth dates. The main Wikidata statement lists July 12, 1579 in Vilnius, Lithuania.
July 12, 1579
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: December 3, 1620
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. Displayed date is Gregorian.
Sources disagree: July 12, 1579 (No external source identified) or July 31, 1579 (Urzędnicy Wielkiego Księstwa Litewskiego. Spisy, t. I, Województwo wileńskie XIV‒XVIII wiek).
The main date retains its own sources. These alternatives overlap neither all other statements nor the main date. Rank is Wikidata editorial priority, not proof.
Precision: day · Rank: normal
Original calendar: Julian. Displayed date is Gregorian.
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Janusz Radziwiłł was born in Vilnius, Lithuania.