1. 1  a prefix meaning ânot,â freely used as an English formative, giving negative or opposite force in adjectives and their derivative adverbs and nouns (unfair; unfairly; unfairness; unfelt; unseen; unfitting; unformed; unheard-of; un-get-at-able), and less freely used in certain other nouns (unrest; unemployment). 1  Compare un-2 .
On August 7, 1998, at approximately 10:30 a.m. local time, two Embassies of the United States of America, located in the East African cities of Nairobi, Kenya and Dar es Salaam, Tanzania, were attacked in coordinated truck bombings, later determined to have occurred approximately four minutes apart.
Image copyright Image caption Mr Netanyahu was greeted by Ugandan President Yoweri Museveni at Entebbe airport. Israeli PM Benjamin Netanyahu has visited the scene of the 1976 Entebbe hostage rescue in Uganda, in which his brother, who led the raid, was killed. Israeli commandos freed more than 100 hostages held for a week at an airport terminal, in a daring operation. They returned to Israel on 4 July 1976.