Scanian War happened in 1675.
As of August 2014, there is not another Civil war about to happen in the US.
World War 2
Jack squat
the war happen in 1955 to 1975
the creek war happened in 1865
War of Urbino happened in 1517.
Ifni War happened in 1958.
Victorio's War happened in 1879.
Perusine War happened in -40.
Order of War happened in 2009.
Lazic War happened in 541.
Perak War happened in 1876.