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Pliny states that he has covered 20,000 subjects of importance drawn from 100 selected writers, to whose observations he has added many of his own. Botany, agriculture, and horticulture appear to interest him most. To Pliny the world consisted of four elements: earth, air, fire, and water. The light substances were prevented from rising by the weight of the heavy ones, and vice versa. This is the earliest theory of gravity.
Blue, white, and red recall the 19th century Russian tricolour. The ‘Partisan Star’ was removed in 1991. Effective date: 27 April 1992.
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