1899 treaty between the United Kingdom and Portugal

1899 battle during the Philippine–American War

Bolivia-Brazil border war (1899-1903)

March 1899 battle of the Second Samoan Civil War

During the Philippine–American War at Santa Cruz, Laguna, Philippines

1899 battle between Philippine forces and the US

Labor riot in Idaho, United States

Battle in the Philippine-American War

1899 battle of the Philippine–American War

1899 German–Spanish Treaty

Battle fought in Iloilo in 1899 during the Philippine–American War