Units of measurement in France before the French Revolution (league) had a number of variations, particularly the "aune" (which was used to measure cloth The "loi du 19 frimaire an VIII" (Law of 10 December 1799) states that one decimal metre is exactly 443.296 French lines, or "3 pieds 11.296 lignes de la "Toise du Pérou"". Thus the French royal foot is exactly 9000/27,706 metres (about 0.3248 m). In Quebec, the surveys in French units were converted using the relationship 1 "pied" (of the French variety, the same word being used for English feet as well) = 12.789 English inches. This makes the Quebec "pied" very slightly smaller (about
Pied-Noir specifically, the term "Pied-Noir" is used for those of European ancestry who "returned" to mainland France as soon as Algeria gained independence, or in the months following. From the French invasion on 18 June 1830 until its independence, Algeria was administratively part of France, and its European population was simply called Algerians or colons (colonists), whereas the Muslim people of Algeria were called Arabs, Muslims or Indigenous. The term ""pied-noir"" began to be commonly used shortly before the end of the Algerian War in 1962. As of the last census in French-ruled Algeria, taken on 1 June 1960, there were