Quarantine Edinburgh and Leith, grain was from that date declared to be a non-susceptible article. About 1788 an order of the council required every ship liable to quarantine, in case of meeting any vessel at sea, or within four leagues of the coast of Great Britain or Ireland, to hoist a yellow flag in the daytime and show a light at the main topmast head at night, under a penalty of After 1800, ships from plague-countries (or with foul bills) were enabled to perform their quarantine on arrival in the Medway instead of taking a Mediterranean port on the way for
Flag of Norway Flag of Norway The flag of Norway () is red with an indigo blue Scandinavian cross fimbriated in white that extends to the edges of the flag; the vertical part of the cross is shifted to the hoist side in the style of the "Dannebrog", the flag of Denmark. It is difficult to establish what the earliest flag of Norway looked like. During ancient times countries did not fly flags. Kings and other rulers flew flags, especially in battle. Saint Olav used a serpent within a white mark at the Battle of Nesjar. Prior to this the raven or dragon