papal bull Inter gravissimas
E26802
The papal bull *Inter gravissimas* was the 1582 decree by Pope Gregory XIII that reformed the calendar system, leading to the adoption of the Gregorian calendar.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Inter gravissimas | 0 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
apostolic constitution
ⓘ
papal bull ⓘ |
| aimedTo |
align liturgical calendar with astronomical year
ⓘ
restore the date of the vernal equinox to around 21 March ⓘ |
| author | Pope Gregory XIII ⓘ |
| documentType | papal decree ⓘ |
| field |
astronomy
ⓘ
chronology ⓘ liturgical calendar ⓘ |
| followedBy |
gradual adoption of Gregorian calendar by Orthodox countries
ⓘ
gradual adoption of Gregorian calendar by Protestant countries ⓘ |
| hasCanonicalStatus | part of papal magisterium on discipline ⓘ |
| hasEffectOn |
Easter date
ⓘ
civil calendar ⓘ religious observances ⓘ saints' feast days ⓘ |
| hasTranslation | various modern languages ⓘ |
| historicalPeriod | Counter-Reformation ⓘ |
| implementedBy |
Roman Catholicism
ⓘ
surface form:
Catholic Church
France ⓘ Italian states ⓘ Papal States ⓘ Polish–Lithuanian Commonwealth ⓘ Portugal ⓘ Spain ⓘ various Catholic countries ⓘ |
| influenced | later worldwide adoption of Gregorian calendar ⓘ |
| introducedChange |
Thursday 4 October 1582 followed by Friday 15 October 1582 in adopting regions
ⓘ
century years not leap years unless divisible by 400 ⓘ new leap year rule ⓘ new rules for ecclesiastical equinox ⓘ removal of 10 calendar days in October 1582 ⓘ revised lunar tables for Easter calculation ⓘ |
| issuedBy | Holy See ⓘ |
| issuedIn | Rome ⓘ |
| language | Latin ⓘ |
| legalStatus | binding on Catholic territories at promulgation ⓘ |
| mainTopic |
Gregorian calendar (Western churches)
ⓘ
surface form:
Gregorian calendar reform
|
| namedAfter | opening Latin words "Inter gravissimas" ⓘ |
| preservedIn |
Vatican Apostolic Archive
ⓘ
surface form:
Vatican Apostolic Archives
|
| promulgationDate | 1582-02-24 ⓘ |
| promulgationYear | 1582 ⓘ |
| purpose |
correction of the Julian calendar
ⓘ
reform of the calendar ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholicism
|
| replacedSystem | Julian calendar ⓘ |
| resultedIn |
Gregorian calendar (Western churches)
ⓘ
surface form:
Gregorian calendar
|
| subject |
calendar reform
ⓘ
computation of Easter ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.