Complex sentence: The Guildford pub bombings occurred on 5 October 1974 when the Provisional Irish Republican Army (IRA) detonated two 6-pound gelignite bombs at two pubs in Guildford, Surrey, southwest of London.
Split into simpler sentences: The Guildford pub bombings occurred on 5 October 1974. The Provisional Irish Republican Army (IRA) detonated two 6-pound gelignite bombs at two pubs in Guildford, Surrey, southwest of London.