 Kupera kwezana ramakore rechigumi namasere kwakanga kuri nhambo ine nyongano; Britain yakanga iri muhondo neFrancekubva muna 1793 kusvika muna 1802. Rwisano pakati penyika mbiri dzakaguma nokusainwa kweChibvumirano cheAmiens muna 1802, asi muna 1803, Hondo dzaNapoleon dzakatanga, uye pakanga pane kutya kwokuti France yaizopinda muEngland. Kuitira kudzivisa kudenha kwakadaro, Royal Military Canal yakakarakadzwa. Pakutanga iyi yakanga iri mugero muduku pedyo neHythe, asi yakawedzerwa munguva yaro yokuronga kusvika kuCliff End, pedyo nePett muEast Sussex. Mugero wacho waizobatana neRwizi Rother paIden uye rwizi rwacho rwaizova rutivi rwomugadziriro wokuzvidzivirira, sezvakanga zvakaita nzira yoRwizi Brede kubva kuRye kusvika kuWinchelsea. Kupedzwa kwakanga kwakarongerwa June 1805, asi kuvaka hakuna kutanga kutozosvikira mukupera kwa 1804, uye panguva iyo yakapedzwa muna 1809, kupindirwa kwaifungidzirwa kuva kusingabviri. 