December 1857 -  | Venezuelan Peasants Revolt  | 
January 1858 -  |  | 
March 1858 -  |  | 
April 1858 -  | Anglo- and Franco-Taiping Ceasefire  | 
June 1858 -  | British Declaration of War  | 
June 1858 -  | French Declaration of War  | 
August 1858 -  |  | 
September 1858 -  | Persian Declaration of War  | 
September 1858 -  | British Declaration of War  | 
September 1858 -  | Afghan Declaration of War  | 
January 1859 -  | Japanese Power Transfer 50% Complete  | 
February 1859 -  | Venezuelan Federalists Incite War  | 
March 1859 -  | French Declaration of War  | 
March 1859 -  | Spanish Declaration of War  | 
April 1859 -  | French Declaration of War  | 
April 1859 -  | Sardinian Declaration of War  | 
May 1859 -  | Colombia Becomes the Granadine Confederation  | 
March 1860 -  | Cauca Secedes From Granadine Confederation  | 
March 1860 -  | Granadine Declaration of War  | 
January 1861 -  | Emperor Interacts With Foreign Nations  | 
April 1861 -  | South Carolina Secedes From United States  | 
April 1861 -  | Six More States Secede From United States  | 
June 1861 -  | American Rebels Take Fort Sumter  | 
March 1862 -  | Four More States Secede From United States  | 
April 1862 -  | General Robert E. Lee Defects to Rebels  | 
April 1862 -  | Confederate States of America Formally Formed  | 
May 1862 -  | Confederacy Embargoes United Kingdom and France  | 
July 1862 -  |  | 
July 1862 -  |  | 
July 1862 -  |  | 
August 1862 -  | Rio Grandese Offensive Fails  | 
February 1863 -  |  | 
February 1863 -  | Religious Uprisings in Morocco  | 
March 1863 -  | Tokugawa Shogunate Assaults Hiroshima  | 
February 1864 -  |  | 
March 1864 -  |  | 
April 1864 -  | Egypto-Ethiopian Alliance Formed  | 
May 1864 -  | Conversions Begin Again in Morocco  | 
September 1865 -  | Surrender of General Robert E. Lee  | 
January 1866 -  | Paraguay Invades the Argentine Confederation  | 
February 1866 -  | Prussian Declaration of War  | 
April 1866 -  |  | 
May 1866 -  |  | 
December 1866 -  |  | 
December 1866 -  | Kingdom of Sardinia Becomes the Kingdom of Italy  | 
December 1866 -  | Kingdom of Prussia Becomes the North German Confederation  | 
February 1867 -  | Austria Becomes the Austro-Hungarian Empire  |