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D. FW de Klerk Was The last South African president during the apartheid era.
The assassination of Archduke Franz Ferdinand of Austria by a Bosnian Serb terrorists.
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Trench warfare is a type of land warfare using occupied fighting lines largely comprising military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery. Trench warfare lasting for several years took place on the Western Front in World War I.