Abu Qir Bay delta once entered the sea in the vicinity of Heracleion or Eastern Canopus. A combination of Islamic texts and investigation using geoarchaeology suggest that this branch was still in existence in the eighth century, when a major inundation caused Eastern Canopus to sink into the bay. The Canopic branch subsequently declined and eventually became closed. On August 1, 1798, Horatio Nelson fought the naval "Battle of the Nile", often referred to as the "Battle of Aboukir Bay". (Not to be confused with the Battle of Abukir (1799) and the Battle of Abukir (1801).) On 1 March 1801, some 70 British
HMS Lady Nelson (1798) driving her back to the north; on 21 June heavy seas resulted in the loss of the "Lady Nelson"s boat. The safety of Twofold Bay was not reached until 24 June by which time all "Lady Nelson"s supply of bread had been consumed and only three casks of water remained. A raft was constructed from her spars in order to get ashore to replenish their supply of fresh water and the "Lady Nelson"s carpenter was sent to cut timber with which to build a punt to replace the lost boat. "Lady Nelson" left Twofold Bay on 1 July to continue