The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

Issuing programme for Canada, 2009

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Date of Issue Subject Number In Set
8 January Lunar New Year, Year of the Ox (souvenir sheet) 2
15 January Celebration 1
2 February Abraham Doras Shadd and Rosemary Brown 2
23 February First Flight in Canada 1
3 March Rhododendrons (souvenir sheet) 4
20 March Art Canada (souvenir sheet) 3
2 April International Year of Astronomy (souvenir sheet) 4
9 April Climate Change (souvenir sheet) 2
15 May Canadian Horse and the Newfoundland Pony 2
1 June Canadian Diplomacy 1
10 June Boundary Waters Treaty. 100th anniversary 1
30 June Canadian Recording Artists (souvenir sheet) 4
2 July Roadside Attractions 4
10 July Captain Robert A. Bartlett 1
1 August Canadian Inventions-Sports 4
1 September Montreal Canadiens 100th Anniversary 1
1 October Serving and Remembering 1
2 November Christmas Tree 1
2 November Christmas (souvenir sheet) 3

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