History of the Cyclades that of Napoleon’s tomb at Les Invalides. Later, in 1878, a “Société des Marbres de Paros” was created. Syros played a fundamental role in the trade, transport and economy of Greece in the latter half of the 19th century. The island had a certain number of advantages at the end of the War of Independence. It had been protected by the relative neutrality of the Cyclades and by the French, who had taken the Catholics of Syros under their wing (and thus the island as a whole). Moreover, it no longer had rivals: shipowners’ islands like Hydra and Spetses had
History of the Cyclades no longer contributed to the League except through installments of silver, the amount of which was set by the Athenian Assembly. The tribute was not too burdensome, except after a revolt, when it was increased as punishment. Apparently, Athenian domination sometimes took the form of cleruchies (for example on Naxos and Andros). At the beginning of the Peloponnesian War, all the Cyclades except Milos and Santorini were subjects of Athens. Thus, Thucydides writes that soldiers from Kea, Andros and Tinos participated in the Sicilian Expedition and that these islands were “tributary subjects”. The Cyclades paid a tribute until 404 BC.