18 February 1998
Kenneth Kaunda, the former and first president of Zambia, previously Northern Rhodesia, was charged with concealing information about a failed coup in 1997. The charges were dropped four months later and Kaunda was released from 'house arrest'.
References

The new york times,"Zambian Ex-President Facing Charges in Coup",From: The new york times,[Online],Available at:www.nytimes.com,[Accessed on:31 January 2014]