Congress Programme Discussion Procedure
Drafts a resolution on procedures for discussing the International's congress programme.
Permanent historical records · Updated 2026-11-03
1866 in Germany
Explore 146 historical events and records for Germany in 1866.
Historical records for Germany in 1866
Sorted by month and day. Records with no month are shown last. Showing 40 of 146 unique records.
146Unique records
1 of 4Page
30Named events on this page
18Named people on this page
17Places on this page
January
North German Confederation
Bismarck seeks advice from conservative and democratic politicians and presents a draft constitution to the other state Governments. It is his intention to make the new federal state look like a confederation in the tradition of the German Confederation
April
Prussian-Italian Alliance
Bismarck concludes a three-month offensive alliance linking Prussia with Italy against Austria.
May
A Warning
Issues A Warning in connection with organisational disputes inside the International Workingmen's Association.
Army Mobilization
Roon applies the army reforms and reserve system that accelerate Prussian mobilization.
Mobilization
Wilhelm authorizes preparations that place Prussia's reformed army on a rapid war footing.
June
Gastein Convention
Victory enables Prussia to pursue German unification without Austrian participation.
Invasion of Holstein
Prussian troops invade Saxony, whose army retreats to join Austria in Bohemia.
Invasion of Holstein
Prussian troops enter Austrian-administered Holstein, escalating the constitutional crisis toward war.
Occupation of Holstein
Moltke directs Prussian occupation of Holstein after Austria refers the dispute to the Federal Diet.
Federal Reform Plan
Bismarck proposes a reformed German federation with a directly elected national parliament.
German Confederation
Prussian forces invade Hanover to prevent its army joining Austria's southern allies.
Hanoverian Mobilization
George V orders the Hanoverian army to concentrate and seek contact with Austria's allies.
Invasion of Hanover
Prussian forces enter Hesse-Kassel and isolate the elector's army.
Invasion of Hesse-Kassel
Prussia occupies Holstein after Austria submits the duchy dispute to the Federal Diet.
Invasion of Saxony
The Peace of Prague establishes a Kleindeutsch solution excluding Austria from the northern federation.
Invasion of Saxony
Herwarth leads the Army of the Elbe into Saxony and drives toward Dresden.
Occupation of Hanover
Falckenstein's forces occupy Hanover after the royal army withdraws southward.
Occupation of Dresden
Herwarth leads the Army of the Elbe into Dresden after Saxon forces evacuate the capital.
Occupation of Dresden
The Army of the Elbe occupies Dresden after the Saxon army withdraws into Bohemia.
Commander of Army of the Elbe
Appointed Commander of the Army of the Elbe
Occupation of Kassel
Beyer occupies Kassel and blocks the Hanoverians from joining southern federal forces.
Advance into Bohemia
Friedrich Karl moves the First Army through Saxony toward the Bohemian frontier.
Detention of Elector
Prussian troops detain the elector at Wilhelmshohe after he refuses neutrality.
Advance into Bohemia
The Crown Prince sends the Second Army through mountain passes from Silesia into Bohemia.
Battle of Huhnerwasser
Herwarth's troops win the opening clash at Huhnerwasser and continue into Bohemia.
Battle of Podol
Friedrich Karl's troops secure Podol after a fierce night engagement.
Battle of Podol
The First Army wins the night engagement at Podol, opening the route into Bohemia.
Battle of Langensalza
Arentschildt's Hanoverians defeat an outnumbered Prussian force at Langensalza.
Battle of Langensalza
Flies attacks the larger Hanoverian army and is forced to retreat after heavy fighting.
Battle of Nachod
Steinmetz defeats repeated Austrian attacks and secures the Nachod pass.
Battle of Náchod
The Second Army wins at Náchod under the Crown Prince's overall command.
Battle of Náchod
The Second Army's V Corps defeats the Austrian VI Corps at Náchod.
Battle of Trautenau
Bonin's I Corps retreats after failing to dislodge Gablenz from the heights near Trautenau.
Battle of Trautenau
Austrian forces win at Trautenau, but the Prussian Second Army continues advancing.
Hanoverian Counterattack
Arentschildt orders the counterattack that drives the Prussians from the battlefield.
Second Army
The Second Army breaks through the Náchod pass and secures its route into Bohemia.
Second Army
I Corps suffers a setback at Trautenau while other Second Army formations keep advancing.
Battle of Münchengrätz
The First Army defeats Clam-Gallas and the Saxons at Münchengrätz.
Battle of Münchengrätz
The First Army and Army of the Elbe defeat Austro-Saxon forces at Münchengrätz.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.