April Observances
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International Pillow Fight Day on First Saturday of April [01.04.2023]
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World Autism Awareness Day (# 1 out of 2) on 2nd April
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International Children's Book Day (# 2 out of 2) on 2nd April
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World Health Worker Week on First Sunday to Second Saturday of April [02.04.2023 to 08.04.2023]
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International Bird Day on 2nd April
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World Aquatic Animal Day (# 1 out of 2) on 3rd April
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World Party Day (# 2 out of 2) on 3rd April
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International Day for Mine Awareness and Assistance in Mine Action on 4th April
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World Stray Animals Day on 4th April
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Invisible Work Day on First Tuesday of April [04.04.2023]
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International Day of Conscience on 5th April
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International Day of Sport for Development and Peace on 6th April
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World Table Tennis Day on 6th April
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World Health Day (# 1 out of 2) on 7th April
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International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda (# 2 out of 2) on 7th April
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Good Friday on 7th April 2023
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Zoo Lovers Day on 8th April
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International Day of the Romani on 8th April
- International GMO Opposition Day on 8th April
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International Unicorn Day on 9th April
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International Safety Pin Day on 10th April
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Siblings Day on 10th April
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World Parkinson's Day on 11th April
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International Day of Human Space Flight (# 1 out of 2) on 12th April
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World Aviation and Cosmonautics Day (# 2 out of 2) on 12th April
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International Day for Street Children on 12th April
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Scrabble Day on 13th April
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World Chagas Disease Day on 14th April
[Vaisakhi, Cheiraoba, Puthandu, Vishu, Maha Vishuva / Pani Sankraanthi, Bihu on 14th April 2023]
[Solar New Year: Pahela Baishakh on 15th April 2023]
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World Art Day on 15th April
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World Circus Day on Third Saturday of April [15.04.2023]
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Husband Appreciation Day on Third Saturday of April [15.04.2023]
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International Day against Child Slavery on 16th April
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World Haemophilia Day on 17th April
- Global Action Week For Education on Third Monday to Forth Sunday [17th to 23th April 2023]
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World Heritage Day [International Day for Monuments and Sites] (# 1 out of 2) on 18th April
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World Amateur Radio Day (# 2 out of 2) on 18th April
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Secretaries' Day on Third Wednesday of April [19.04.2023]
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World Orphans Day on 20th April
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World Creativity and Innovation Day on 21st April
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Idu’l Fitr (Ramzan / Eid) on 21st / 22nd April 2023
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Earth Day (# 1 out of 2) on 22nd April
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International Mother Earth Day (# 2 out of 2) on 22nd April
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World Book and Copyright Day on 23rd April (# 1 out of 3)
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UN English Language Day on 23rd April (# 2 out of 3)
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UN Spanish Language Day on 23rd April (# 3 out of 3)
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International Day of Multilateralism and Diplomacy for Peace on 24th April (# 1 out of 3)
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World Day for Animals in Laboratories [World Day for Laboratory Animals] on 24th April (# 2 out of 3)
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World Immunisation Week (# 3 out of 3) on 24th to 30th April
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World Meningitis Day on 24th April
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International Youth Solidarity Day on 24th April
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International Delegate's Day (# 1 out of 2) on 25th April [starting in 2020]
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World Malaria Day (# 2 out of 2) on 25th April
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Parental Alienation Awareness Day on 25th April
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DNA Day on 25th April
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International Chernobyl Disaster Remembrance Day (# 1 out of 2) on 26th April
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World Intellectual Property Day (# 2 out of 2) on 26th April
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International Noise Awareness Day on the Last Wednesday in April [26.04.2023]
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International Girls in ICT Day on Forth Thursday in April [27.04.2023]
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World Graphics Day on 27th April
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World Day for Safety and Health at Work on 28th April
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Workers' Memorial Day on 28th April
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International Dance Day (# 1 out of 2) on 29th April
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International Day of Immunology (# 2 out of 2) on 29th April
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Astronomy Day on Saturday between mid-April and mid-May [29.04.2023]
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Day of Remembrance for all Victims of Chemical Warfare (# 1 out of 2) on 30th April
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International Jazz Day (# 2 out of 2) on 30th April
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World Veterinary Day (# 1 out of 2) on Last Sunday of April [30.04.2023]
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International Sculpture Day (# 2 out of 2) on Last Sunday of April [30.04.2023]
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Arbor Day on 30th April
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Spank Out Day on 30th April
- Honesty Day on 30th April
