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...actions. The system became the standard of France and Europe within half a century. Other measures with unity ratios<ref group="Note">ratios of 1 between mag ...irst practical realisation of the metric system came in 1799, during the [[French Revolution]], after the existing system of measures had become impractical ...

...|Columba]] is a small, faint [[constellation]] named in the late sixteenth century. Its name is [[Latin]] for [[dove]]. It is located just south of [[Canis Ma ...aint constellation in the [[southern sky]], first defined in the late 16th century. Its name means "no feet" in Greek, and it represents a [[bird-of-paradise] ...

...of matter occurs between the liquid and plasma states,<ref>This early 20th century discussion infers what is regarded as the plasma state. See page 137 of Ame The word ''gas'' was first used by the early 17th-century [[Flemish people|Flemish]] chemist [[Jan Baptist van Helmont]].<ref>{{Cite ...

...ysics)|period]] of [[Cepheid]] [[variable stars]] at the beginning of 20th century. :[[Merieme Chadid]] is a French and Moroccan astronomer and explorer who discovered hypersonic shock waves ...

...or [[panemone windmill]] first appeared in [[Greater Iran]] during the 9th century.<ref>Glick, Thomas F., Steven Livesey, and Faith Wallis. Medieval science, The 9th century mathematician [[Muhammad ibn Musa al-Khwarizmi]] founded algebra and expand ...

...ved to Boreham Road, Warminster, where houses were built in the early 19th century.{{R|"Warminster and Westbury Journal 11 July 1903"|"Wiltshire Times 9 Augus ...st 1915"}} She then joined the [[sixth form]] and won the school prize for French in December 1916.{{R|"Wiltshire Times 16 December 1916"}}{{Efn|Dent's siste ...