| 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 |