World Meteorological Day 2011
Posted by Costa M. a 23 Març 2011
Each year, on 23 March, the World Meteorological Organization, its 189 Members and the worldwide meteorological community celebrate World Meteorological Day around a chosen theme. This day commemorates the entry into force, on that date in 1950, of the WMO Convention creating the Organization. Subsequently, in 1951, WMO was designated a specialized agency of the United Nations System.
More info: http://www.wmo.int/worldmetday/