Rubuta ci gaba don wannan sakin layi - Amsar farko ta Biritaniya ga Tsarin Tsarin Kasashen Napoleon shine ta kaddamar da babban hare-haren jiragen ruwa akan Denmark. Ko da yake a bayyane yake tsaka tsaki, Denmark ta kasance a ƙarƙashin matsin lamba na Faransa da Rasha don yin alkawarin jirgin ruwanta ga Napoleon. London ba za ta iya yin amfani da damar yin watsi da barazanar Danish ba. A watan Agusta 1807, Rundunar Sojojin Ruwa ta Royal Navy ta kewaye Copenhagen da kai hare-hare, wanda ya kai ga kama rundunar jiragen ruwa ta Dano-Norwegian, da kuma tabbatar da amfani da hanyoyin ruwa a cikin Arewa da Baltic Seas ga rundunar jiragen ruwa na Birtaniya. Denmark ta shiga yaƙin a gefen Faransa, amma ba tare da rundunar jiragen ruwa ba ta da abin da za ta bayar, ta fara shiga cikin yakin basasa na jirgin ruwa
inda kananan jiragen ruwa ke kai hari kan manyan jiragen ruwa na Burtaniya a cikin ruwan Denmark da na Norway. Denmark kuma ta dauki alkawarin shiga yaki da Sweden tare da Faransa da Rasha.