Flavio Gioja, Italian inventor (fl. 1302). Events July 11 - Battle of the Golden Spurs (Guldensporenslag in Dutch), major victory of Flanders over the French occupier. ...

Born in Amalfi (his birthplace is sometimes given as Positano or Naples), Gioja was a marine pilot who has been credited with perfecting the sailor's compass by suspending its needle over a fleur-de-lis design, which pointed north. He also enclosed the needle in a little box with a glass cover. He is sometimes credited with inventing the sailor's compass, but it had been in use long before by Mediterranean navigators.[1] The Amalfi coast. ... Positano is a beautiful but small town on the Amalfi Coast (Costiera Amalfitana), in Campania, Italy. ... Naples (Italian Napoli, Neapolitan Napule, from Greek Νέα Πόλις - Néa Pólis - meaning New City; see also List of traditional Greek place names) is the largest city in southern Italy and capital of Campania Region and the Province of Naples. ... Signal flag H(otel) - Pilot on Board A harbour pilot guides ships through the narrow, shallow and dangerous coastal waters between a harbour and the open sea. ... Compass in a wooden box A compass (or mariners compass) is a navigational instrument for finding directions on the earth. ... Fleurs-de-lys on the flag of Quebec The fleur-de-lis (also spelled fleur-de-lys; plural fleurs-de-lis or -lys) is used in heraldry, where it is particularly associated with the France monarchy (see King of France). ... Compass rose with north highlighted and at top North is one of the four cardinal directions, specifically the direction that, in Western culture, is treated as the primary direction: north is used (explicitly or implicitly) to define all other directions; the (visual) top edges of maps usually correspond to the... The Mediterranean Sea is an intercontinental sea positioned between Europe to the north, Africa to the south and Asia to the east, covering an approximate area of 2. ...

Marco Polo is thought to have introduced its use 40 years previously. Marco Polo (September 15, 1254, Venice, Italy; or Curzola, Venetian Dalmatia - now Korčula, Croatia — January 8, 1324, Venice) was a Venetian trader and explorer who, together with his father Niccolò and his uncle Maffeo, was one of the first Westerners to travel the Silk Road to China (which he...

Gioja is said to have introduced the fleur-de-lis design in deference to Charles of Anjou, the French king of Naples.[2] Charles I (March 1227 - January 7, 1285) was the posthumous son of King Louis VIII of France, created Count of Anjou by his elder brother King Louis IX in 1246, thus founding the second Angevin dynasty. ... Naples (Italian Napoli, Neapolitan Napule, from Greek Νέα Πόλις - Néa Pólis - meaning New City; see also List of traditional Greek place names) is the largest city in southern Italy and capital of Campania Region and the Province of Naples. ...

The lunar crater Gioja is named after him. Wikipedia does not yet have an article with this exact name. ... Gioja is a lunar crater that is located in the vicinity of the north pole of the Moon. ...

Sources

• Discovery from 9th to 13th Century

• Sacred Texts: Naval and Military