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 the Northern Territory feature the colour blue). The Southern Cross appears as five white stars on a black panel at the hoist. In the fly of the flag is a stylised Sturt's Desert Rose, the territory's floral emblem since 1961, with seven white petals and a black seven-pointed core. The seven white petals represent the six Australian States and the Northern Territory. Flag of the Northern Territory The current state flag of the Northern Territory was officially adopted by the Northern Territory, Australia, in 1978. The Northern Territory has been in existence since 1911, but did not hoist its first flag until self-government