Roger Bacon1268
Publication of "Opus tertium" for Pope Clement IV. Publication of "Opus majus" for Pope Clement IV
England · Science / Mathematics. Chronological records rendered directly from the World History Database.
Publication of "Opus tertium" for Pope Clement IV. Publication of "Opus majus" for Pope Clement IV
This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.