Russo-Japanese War happened in 1905.
Anastasian War happened in 502.
Caucasian War happened in 1817.
Cretan War happened in -205.
Castellammarese War happened in 1930.
Contestado War happened in 1912.
As of August 2014, there is not another Civil war about to happen in the US.
World War 2
the war happen in 1955 to 1975
Mercenary War happened in -240.
Yuma War happened in 1850.
Cologne War happened in 1555.
Wing War happened in 1994.
Morean War happened in 1684.
Faces of War happened in 2006.
Phoney War happened in 1940.
Colorado War happened in 1864.
War Inc. happened in 1997.