Dutch Empire lost a number of its colonial possessions and trade monopolies to the British Empire. Nevertheless, major portions of the empire survived until the advent of global decolonisation following World War II (1939–1945), namely the East Indies (Indonesia) and Dutch Guiana (Surinam). Three former colonial territories in the West Indies islands around the Caribbean Sea—Aruba, Curaçao, and Sint Maarten—remain as constituent countries represented within the Kingdom of the Netherlands. The territories that would later form the Dutch Republic began as a loose federation known as the Seventeen Provinces, which Charles V, Holy Roman Emperor and (as "Carlos I") King of Spain,
Dutch name "Jeanne"). (See also Sjors & Sjimmie.) Working-class names Jan, Piet and Klaas (the Dutch proverbial equivalent to "Tom, Dick and Harry") were often replaced by middle-class Hans, Peter and Nico. Also, the urge to name children after their grandparents lessened dramatically. The change in naming also led to a new law on naming in 1970, replacing the old one, which had been in force since 1803. Nowadays, traditional official names are found, but often only as an addition to the modern name. Boys are more often given a traditional Dutch name than girls. Boys are also more commonly named after