The Sierra Leone Civil War bere ni 23 March 1991 nigbati Revolutionary United Front (RUF), pelu itileyin latowo awon ajagun pataki National Patriotic Front of Liberia (NPFL) ti Charles Taylor, fe fi tipatipa leJoseph Momoh to je aare orile-ede Sierra Leone kuro lori ijoba, eyi fa ogun to pa awon eniyan to to 50,000.Itokasiitan ile Sierra Leoneawon ogun abele.. 
For Isaiah Berlin, Marx May Be regarded as the "True Father" of Modern sociology, "In so Far as Anyone can claim the title."Herbert Sedcer (27 April 1820 – 8 December 1903) was one of the most popular and influential 19th century Sociologists.. 