Mehmet Tarhan (born 1978) was imprisoned for refusing military service in Turkey as a conscientious objector. Tarhan had been sentenced to four years in a military prison for disobedience after refusing to wear a military uniform, a sentence that is evidently the longest ever given for such an offense in Turkey. He was released in March 2006 after spending several months in prison.
Read more about Mehmet Tarhan: Life, Conscientious Objection, Arrest and Trial, Sexual Orientation, Trial, World Reaction