Medieval scholastic formulations on war, especially Thomas Aquinas (1200–1300)

1. Augustine ties just war to public authority

   Jan 1, 400Labels: Augustine, Public authority

   • New Advent
   • SEP War

2. Augustine frames war as ordered peace

   Jan 1, 426Labels: Augustine, City of

   • Britannica
   • Kolbe COG

3. Crusade preaching reshapes Christian war discourse

   Nov 26, 1095Labels: Pope Urban, First Crusade

   • Fordham Source
   • Britannica Crusades

4. Gratian systematizes canon law using scholastic method

   Jan 1, 1140Labels: Gratian, Decretum

   • Britannica Canon
   • LOC Decretum

5. Fourth Lateran Council formalizes crusade legislation

   Nov 11, 1215Labels: Fourth Lateran, Crusade legislation

   • Britannica Lateran
   • Medieval Source

6. Gregory IX promulgates the Liber Extra decretals

   Sep 5, 1234Labels: Gregory IX, Liber Extra

   • MCVL Liber
   • UCDavis Decretals

7. Aquinas begins Summa Theologiae for student instruction

   Jan 1, 1265Labels: Thomas Aquinas, Summa Theologiae

   • Britannica Summa
   • Philopedia Summa

8. Aquinas articulates three conditions for just war

   Jan 1, 1270Labels: Thomas Aquinas, Just war

   • New Advent
   • SEP Aquinas

9. Aquinas emphasizes public authority and common good

   Jan 1, 1270Labels: Thomas Aquinas, Common good

   • SEP Aquinas
   • IEP Just War

10. Aquinas stops writing after December 1273 experience

    Dec 1, 1273Labels: Thomas Aquinas, Summa unfinished

    • Britannica Summa
    • Philopedia Summa

11. Aquinas dies en route to the Second Council of Lyon

    Mar 7, 1274Labels: Thomas Aquinas, Second Council

    • Britannica Aquinas
    • Wiki Canonization

12. Aquinas’s just war test becomes a teaching baseline

    Jan 1, 1300Labels: Aquinas tradition, Moral theologians

    • SEP War
    • IEP Just War