. . . "2016-03-16T14:51:18"^^ . _:b36554 . . . . "37"^^ . "28th century B.C."@en . "century, twenty-eighth, BCE"@en . . _:b36555 . . ", dates (spans of time), ... Associated Concepts Facet" . ", dates (spans of time), , multidisciplinary concepts, Associated Concepts (hierarchy name), Associated Concepts Facet" . . . . . _:b36556 . _:b36556 . . . . . . "28th-century BCE"@en . . . . . "Century in the proleptic Gregorian calendar including the years 2799 to 2700 (or 2800 to 2701) Before Common Era."@en . . . _:b36554 _:b36554 . . . _:b36555 . . . . . . _:b36554 . . . . "28th-century BCE"@en . "300404548" . . . _:b36555 _:b36556 . _:b36556 . "2016-03-16T14:54:33"^^ . "century, twenty-eighth, BCE"@en . . . "28th century BCE"@en . . . _:b36554 _:b36555 . "twenty-eighth century BCE"@en . "28th century B.C."@en . . . . . . "twenty-eighth century BCE"@en . . . . . _:b36554 . . . "28th century BCE"@en . . .