The Great Interregnum and Rudolf I of Habsburg's election (1254–1273)

1. Death of Conrad IV sparks imperial vacuum

   May 21, 1254Labels: Conrad IV, Southern Italy

   • Conrad IV
   • Britannica

2. Death of Pope Innocent IV

   Dec 7, 1254Labels: Pope Innocent, Naples

   • Britannica
   • Innocent IV

3. Alexander IV elected pope in Naples

   Dec 12, 1254Labels: Alexander IV, Rinaldo dei

   • 1254 election
   • Alexander IV

4. Death of William II of Holland

   Jan 28, 1256Labels: William II, Holland

   • William II

5. Richard of Cornwall elected King of the Romans

   Jan 13, 1257Labels: Richard of, Prince-electors

   • Richard
   • 1257 election

6. Alfonso X chosen as rival King of the Romans

   Apr 1, 1257Labels: Alfonso X, Castile

   • Alfonso X
   • Britannica

7. Richard of Cornwall crowned at Aachen

   May 17, 1257Labels: Richard of, Aachen

   • Richard
   • 1257 election

8. Ottokar II wins at Kressenbrunn

   Jul 1, 1260Labels: Ottokar II, Battle of

   • Kressenbrunn
   • Habsburg net

9. Death of Richard of Cornwall

   Apr 2, 1272Labels: Richard of

   • Richard

10. Rudolf of Habsburg elected King of the Romans

    Oct 1, 1273Labels: Rudolf I, Frankfurt

    • Rudolf I
    • Habsburg net
    • 1273 election

11. Rudolf I crowned at Aachen Cathedral

    Oct 24, 1273Labels: Rudolf I, Aachen Cathedral

    • Rudolf I
    • Habsburg net

12. Papal acknowledgment of Rudolf’s kingship

    Sep 20, 1274Labels: Pope Gregory, Rudolf I

    • Rudolf I
    • CCEL

13. Alfonso X renounces his German claim

    Jan 1, 1275Labels: Alfonso X, Castile

    • Alfonso X
    • Britannica

14. Imperial ban imposed on Ottokar II

    Jun 24, 1275Labels: Ottokar II, Imperial ban

    • Augsburg diet
    • Marchfeld