September 25, 1605
Precision: day · Rank: normal
- Source: BnF authorities
THE DATE BEHIND THE NAME
Ismaël Bullialdus
French astronomer
Ismaël Bullialdus has incompatible recorded birth dates. The main Wikidata statement lists September 28, 1605 in Loudun.
Born
September 28, 1605
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: November 25, 1694
Source:
Synchronized from Wikidata on October 5, 2026.
- Birthplace
- Loudun
- Professions
- mathematician, librarian, jurist, astronomer, physicist, Catholic priest, theologian
- Citizenship
- Kingdom of France
Incompatible birth dates
Sources disagree: September 28, 1605 (MacTutor History of Mathematics archive; Complete Dictionary of Scientific Biography; SNAC) or September 25, 1605 (BnF authorities).
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.
More about Ismaël Bullialdus
- Birth name
- Ismael Bullialdus, Ismaël Boulliaud
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
Where was Ismaël Bullialdus born?
Ismaël Bullialdus was born in Loudun.
What was Ismaël Bullialdus’s name at birth?
Ismaël Bullialdus’s recorded birth name is Ismael Bullialdus; Ismaël Boulliaud.
When did Ismaël Bullialdus die?
Ismaël Bullialdus died on November 25, 1694.