Centuries: 15th century - 16th century - 17th century
Decades: 1510s 1520s 1530s 1540s 1550s - 1560s - 1570s 1580s 1590s 1600s 1610s
Years: 1556 1557 1558 1559 1560 - 1561 - 1562 1563 1564 1565 1566
Arts, Sciences and Culture
... where one such entity is special; for example:
there can be many gods, but there is only one God.
there can be many internets (networks of TCP/IP networks), but the ...
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