7 June – Labour Treaty signed at The Hague establishing free movement of labour between Belgium, Luxembourg and the Netherlands, to come into force 1 November 1960.[1]
↑ Burniaux, Robert; Frickx, Robert (1980). La littérature belge d'expression française[French-Language Belgian Literature] (in French) (2nded.). Paris: Presses Universitaires de France. p.86. ISBN2130362834.
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