Since conference and of the Food and Agriculture Organization's publication "World Festival of Trees", and a resolution of the United Nations in 1954: "The Conference, recognising the need of arousing mass consciousness of the aesthetic, physical and economic value of trees, recommends a World Festival of Trees to be celebrated annually in each member country on a date suited to local conditions"; it has been adopted by the Netherlands. In 1957, the National Committee Day of Planting Trees/Foundation of National Festival of Trees ("Nationale Boomplantdag"/"Nationale Boomfeestdag") was created.