1. World Days in February 2011
04 World Cancer Day 2011
20 World Day of Social Justice 2011
21 International Mother Language Day 2011
22 World Thinking Day 2011
World Days in March 2011
06 National Donut Day 2011
08 International Womens Day 2011
24 World Tuberculosis Day 2011
26 Earth Hour Dates
World Days in April 2011
07 World Health Day 2011
11 World Parkinson's Day 2011
17 World Hemophilia Day 2011
22 Earth Day 2011
23 World Book and Copyright day 2011
World Days in May 2011
03 World Asthma Day 2011
12 International Nurses Day 2011
15 International Day of Families 2011
19 World Hepatitis Day 2011
22 International Day for Biological Diversity 2011
World Days in June 2011
01 International Childrens Day 2011
International Day of Innocent Children Victims of Aggression and World Naturist Day
04 2011
05 World Environment Day 2011
08 World Ocean Day 2011
19 World Sauntering Day 2011

2. 20 World Refugee Day 2011
21 World Music Day 2011
23 International Olympic Day 2011
26 International Anti Drugs Day 2011
World Days in July 2011
07 International Day of Cooperatives
World Days in August 2011
12 International Youth Day
15 World Youth Day 2011
World Days in September 2011
08 International Literacy Day 2011
15 World Lymphoma Awareness Day and International Day of Democracy 2011
22 World Maritime Day 2011
24 World Heart Day 2011
World Days in October 2011
01 World Vegetarian Day 2011
02 World Farm Animal Day 2011
03 World Habitat Day 2011
04 UN World Space Week 2011 and World Animal Day 2011
05 World Teachers Day 2011
07 International Day for Older Persons 2011
10 UN World Mental Health Day 2011
12 UN International Day for Natural Disaster Reduction 2011
13 World Sight Day 2011
15 World Handwashing Day 2011
16 UN World Food Day 2011
17 International Day For Eradication Of Poverty 2011
23 UN Disarmament Week 2010

3. 24 World Development Information Day 2011
World Days in November 2011
14 World Diabetes Day 2011
16 International Day of Tolerance 2011
20 Universal Children Day 2011 and Africa Industrialization Day 2011
21 World Television Day 2011
World Days in December 2011
01 World Aids Day 2011
02 International Day for the Abolition of Slavery 2011
03 International Day of Disabled Persons 2011
07 International Civil Aviation Day 2011
09 International Anti Corruption Day 2011
10 Human Rights Day 2011
11 International Mountain Day 2011
18 International Migrants Day 2011