l December 21, 1988

Pan American Flight 103 blown up over Lockerbie, claiming 270 lives, including 11 victims in the town.

l November 14, 1991

Libyans Abdelbaset Ali Mohmed al Megrahi and Al Amin Khalifa Fhimah indicted for murder.

l April 5, 1999

Suspects handed to Scottish police.

l January 31, 2001

Megrahi found guilty at Camp Zeist in the Netherlands and sentenced to life in prison (later clarified as a minimum 27 years) and Fhimah is acquitted.

l September 23, 2003

Megrahi's lawyers appeal to Scottish Criminal Cases Review Commission (SCCRC) for review of the case after his appeal was rejected by five judges and Professor Hans Kochler for the United Nations had described the conviction as a "spectacular miscarriage of justice".

l June 28, 2007

SCCRC refers the case for a new appeal on six potential grounds of a miscarriage of justice.

l October 21, 2008

Megrahi is revealed to be suffering from "advanced stage" cancer but his appeal for early release is rejected.

l July 25, 2009

The Herald reveals that Megrahi has applied for compassionate release because of his worsening medical condition.

l August 13, 2009

Megrahi is to drop his appeal and is to be released on separate grounds of compassion because he is not expected to live for more than three months.

l August 20, 2009

Justice Secretary Kenny MacAskill announces Megrahi's release and the Libyan flies home.

l December 22, 2011

Mr MacAskill applies to the Westminster Justice Secretary Ken Clarke for exemption from the Data Protection Act to allow publication of the SCCRC report.

l February 27, 2012

Megrahi – You Are My Jury, by John Ashton, based on interviews with Megrahi and elements of the SCCRC report, is published.