04/23/1859
Austria demands that Sardinia-Piedmont disarm, and issues a three-day ultimatum Foreign
01/17/1860
Count Cavour recalled as prime minister of Piedmont-Sardinia Foreign
04/06/1860
Count Cavour, prime minister of Piedmont-Sardinia, assures Switzerland over the transfer of Nice to France US/the World
05/01/1859
Five Austrian army corps have crossed into Piedmont and occupy large areas north of the Po River Foreign
04/26/1859
France tells Austria war on Piedmont-Sardinia would mean war with France Foreign
05/03/1859
French Emperor Napoleon III issues his official declaration of war on the Austrian Empire US/the World
04/23/1859
- 04/25/1859
French troops are starting to depart Paris for Italy to confront the Austrians Foreign
03/24/1860
From Germany, the Grand Duke of Tuscany protests the annexation of his province Foreign
03/22/1859
Great Power conference proposed in Europe to head off war between Austria and Piedmont-Sardinia Foreign
09/12/1859
In Italy, Palma and Piacenta request annexation to the Kingdon of Piedmont-Sardinia Foreign
09/11/1859
In Italy, Palma and Piacenta vote to break away from Bourbon rule Foreign
06/09/1860
In Italy, reinforcements sailing under the U.S. flag leave Genoa for Garibaldi's campaign in Sicily US/the World
06/11/1859
In Italy, the pro-Austrian Duke of Modena flees and a provisional government is formed Foreign
01/21/1860
In Piedmont-Sardinia, Count Cavour's new Cabinet takes office Foreign
04/27/1859
Italian nationalists in Florence overthrow the Hapsburg Grand Duke Leopold II of Tuscany US/the World
03/18/1860
Piedmont-Sardinia annexes Emilia as the unification of Italy increases pace Foreign
03/22/1860
Piedmont-Sardinia annexes Tuscany as the unification of Italy increases pace Foreign
04/27/1859
Piedmont-Sardinia rejects Austria's call to disarm Foreign
01/30/1859
Prince Napoleon marries Princess Clohilde of Savoy in Turin US/the World
06/17/1860
Sailing under the American flag, three shiploads of reinforcements for Garibaldi's campaign reach Sicily US/the World
04/29/1859
The Austrian Empire declares war on Sardinia-Piedmont US/the World
04/09/1859
The Austrian Empire mobilizes in response to the war preparations of Piedmont-Sardinia Foreign
03/09/1859
The Italian Kingdom of Piedmont-Sardinia mobilizes its armed forces for war with Austria Foreign
03/24/1860
The treaty annexing Savoy and Nice is signed in Turin US/the World
06/12/1860
Three shiploads of reinforcements for Garibaldi's campaign in Sicily reach Sardinia US/the World
11/10/1859
Treaty negotiations successfully conclude the late war between France, Austria, and Piedmont US/the World
12/17/1860
Victor Emanuel II annexes Naples, Sicily, and Umbria and the unification of Italy is almost complete US/the World
