View source for 55 BC

==== Britain ====
* [[August 22]] or [[August 26]] &ndash; Julius Caesar commands his first [[Caesar's invasions of Britain|invasions of Britain]], likely a reconnaissance-in-force expedition, in response to the [[Britons (historical)|Britons]] giving military aid to his Gallic enemies. Caesar retreats back to [[Gaul]] when the majority of his force is prevented from landing by storms.