1 June 1866Holstein DisputeAlexander Mensdorff-Pouilly Mensdorff-Pouilly, Count von
Mensdorff-Pouilly submits the Schleswig-Holstein question to the Federal Diet, challenging the Gastein arrangement.
Historical records for Austria in 1866, rendered directly from the World History Database and ordered by month, day and event.
Mensdorff-Pouilly submits the Schleswig-Holstein question to the Federal Diet, challenging the Gastein arrangement.
Franz Joseph supports the Federal Diet vote to mobilize against Prussia.
Benedek concentrates the Austrian Northern Army around Olmutz before moving toward Bohemia.
Albrecht defeats the larger Italian army at Custoza and protects the approaches to Verona.
Clam-Gallas withdraws after Prussian forces defeat his advance guard at Huhnerwasser.
Clam-Gallas fails to prevent the Prussian First Army from seizing the Iser crossing at Podol.
Ramming's VI Corps attacks at Nachod but is repulsed by Steinmetz.
Gablenz defeats the Prussian I Corps at Trautenau, Austria's notable victory in Bohemia.
Leopold's VIII Corps is defeated while attempting to block the Prussian advance at Skalitz.
Clam-Gallas loses Gitschin and retreats with the Saxon contingent toward the main Austrian army.
Festetics withdraws after his IV Corps is defeated at Schweinschadel.
Benedek deploys the Northern Army near Koniggratz but cannot prevent Prussian envelopment.
Commands the Austrian Northern Army but suffers decisive defeat at Königgrätz.
Franz Joseph learns that defeat ends Austria's bid for leadership within Germany.
Benedek is relieved of northern command after the defeat at Königgrätz.
Tegetthoff forms his fleet into attacking wedges and closes rapidly with the Italians.
Tegetthoff defeats the larger Italian fleet at Lissa using aggressive close-range tactics.
Tegetthoff wins a major naval victory despite Italian superiority in ironclads and guns.
Franz Joseph accepts preliminary terms ending Austria's struggle for leadership in Germany.
The Preliminary Peace of Nikolsburg accepts Austrian withdrawal from German affairs without territorial loss to Prussia.
The Armistice of Cormons halts fighting between Austria and Italy.
Austria recognizes the dissolution of the German Confederation and Prussian predominance north of the Main.
The Peace of Prague excludes Austria from the new Prussian-led organization of Germany.
Franz Joseph accepts a lenient peace that preserves Austria's core territory.
Franz Joseph ratifies the settlement dissolving the German Confederation and recognizing Prussian gains.
The Peace of Prague permits Prussia to organize a confederation north of the Main.
Franz Joseph accepts the cession of Venetia through France under the Treaty of Vienna.
The Treaty of Vienna transfers Venetia from Austria through France to Italy.
Publishes experiments showing discrete hereditary factors in pea plants.
Establishes principles later known as segregation and independent assortment.
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