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41First mass in the Philippines — articleissues disputed=May 2008 original research=May 2008 refimprove=May 2008The first mass in the Philippines was on Easter Sunday March 31, 1521cite news | first =Linda B. | last =Valencia | coauthors = | title =Limasawa: Site of the First… …
42Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
43Simon Newcomb — Born March 12, 1835(1835 03 …
44Course (navigation) — In navigation, a vehicle s course is the angle that the intended path of the vehicle makes with a fixed reference object (typically true north). Typically course is measured in degrees from 0° clockwise to 360° in compass convention (0° being… …
45Single-Handed Trans-Atlantic Race — The Single handed Trans Atlantic Race, or STAR, is an east to west yacht race across the North Atlantic. When inaugurated in 1960, it was the first single handed ocean yacht race; it is run from Plymouth to the USA, and is held every four years.… …
46First voyage of James Cook — Main article: James Cook See also: Second voyage of James Cook See also: Third voyage of James Cook Route of the first voyage of James Cook The first voyage of James Cook was a combined Royal Navy and Royal Socie …
47Mazaua — is the name of a Philippine island port where Ferdinand Magellan and his Armada de Molucca fleet of three naos anchored from March 28 to April 4, 1521. At present, historians and scientists are still searching for the exact location of the said… …
48Эфемеридное время — Эфемеридное время, ET  равномерная шкала времени, основанная на определении секунды, введенном в 1952 году на 8 съезде Международного Астрономического Союза, которое не зависит от изменяющейся скорости вращения Земли. В 1956 году Генеральной …
49surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… …
50Gregorian calendar — For the calendar of religious holidays and periods, see Liturgical year. For this year s Gregorian calendar, see Common year starting on Saturday. 2011 in other calendars Gregorian calendar 2011 MMXI …
