Imperialism By Naomi.Christopher16 Period: 1835 to 1842 Great Trek Period: 1849 to 1856 David Livingstone Missionary Work Period: May 10, 1857 to Nov 1, 1858 Sepoy Rebellion Period: Sep 25, 1859 to Nov 17, 1869 Suez Canal built Period: Oct 11, 1899 to May 31, 1902 Boer War