Important dates of April 2021 and its theme . April 2021: List of important National, International Days and Events

Important dates and it's theme





Important dates and it's theme carry one or two Marks in each exam , such as SSC , RAILWAY , LDC ,UDC , RBI . 

Some time the examiner only ask the Important dates , but in a few exam the examiner also ask it's theme . 

Its not so hard to recall all Important dates and it's theme . If you read every day and make a note of Important dates and theme then you can easily remember all the important dates of all month . 

You have only focus very important date  for group C and group D Exam preparation . But when its Group A and Group B exam you have to focus both Important date , its theme , 1st observed by which organization , where it is organised , and what was it's last year theme . 

Here give some important dates and its theme of April 2021 

Important dates


  • 1st April  - Utkal Diwas  / odisha Foundation day 
  • This is 86th Odisha foundation Day


  • 2nd April - World Autism Awareness Day
  • 1st it was observed on 2008 , it was adopted by UN General assembly by 2007

*Theme of this year :  - 'Inclusion in the Workplace: Challenges and Opportunities in a Post-Pandemic World'


  • 2nd April -  International Children’s Book Day


  • 3rd April :-  257th Army Medical Corps Raising Day

*Motto :- "Serve Santu Nirmaya"


  • 4th April:-  International Day for Mine Awareness and Assistance in Mine Action

*Theme:- “Perseverance, Partnership, and Progress”


  • 5th April:- 58th National Maritime Day


  • 5th April:- International Day of Conscience

*Theme: Let Conscience Light up our World.


  • 6th April:- International Day of Sport for Peace and Development 


  • 7th April:- World Health Day

*Theme: - Building a fairer, healthier world for everyone 


  • 8th April:-  International Romani Day


  • 9th April:- 55th CRPF Valour Day


  • 10th April:- World Homeopathy Day  

*Theme:- Homoeopathy – Roadmap for Integrative Medicine”


  • 10th April to 16th April:- World Homeopathy Awareness Week 


  • 11st April: - National Safe Motherhood Day

*Theme: Stay at home during  

coronavirus, keep mother and  

newborn safe from coronavirus


  • 11st April:-National Pet Day


  • 12nd April:- International Day of Human Space Flight


  • 13rd April:- 37th Siachen Day


  • 13rd April:- International Turban Day


  • 14th April:- 2nd Edition Of World Chagas Disease Day


  • 14th April:- International Day Of Action For Rivers


  • 14th April:- National Fire Service's Day


  • 15th April:- World Art Day


  • 16th April:-  World Voice Day

*Theme: ONE WORLD|MANY VOICES.

  • 16th April:- Elephant Day


  • 17th April:- World Hemophilia Day

*Theme:- Adapting to change, sustaining care in a new world

  • 17th April:st 11th World Circus Day


  • 18th April:-  World Heritage Day OR

International Day for Monuments and Sites

*Theme:- Complex Pasts: Diverse Futures


  • 19th April:- World Liver Day

*Theme:-  Keep your liver healthy and disease-free


  • 20th April:-  UN Chinese Language Day


  • 21st April:- World Creativity and Innovation Day


  • 21st April:- Civil Services Day


  • 22nd April:- International Mother Earth Day

*Theme: Restore Our Earth.


  • Fourth Thursday of April & 22 April: International Girls in ICT Day

*Theme: Connected Girls, Creating Brighter Futures


  • 23th April:-  World Book and Copyright Day 

*World Book Capital for 2021 is Tbilisi, Georgia.

*Theme: To share a story


  • 23rd April:- UN English Language Day & UN Spanish Language Day


  • 23rd April:-  Manipur Govt commemorate "Khongjom Day"


  • Fourth Saturday of April & 24 April:- World Veterinary Day 

*Theme:- Veterinarian response to the COVID-19 crisis


  • 24th April: National Panchayati Raj Day


  • 24th April: Animal World Day for Laboratory Animals
  • April 20 to 26: World Week for Animals In Laboratories” (Lab Animal Week)


  • 24th April:-  International Day Of Multilateralism And Diplomacy For Peace


  • 24th April:- Armenian Genocide Remembrance Day


  • 25th April:- World Malaria Day

*Theme:- Reaching the zero malaria target


  • 25 April:- World Penguin Day


  • 25th April:- International Delegates Day


  • 26 April:- World Intellectual Property Day

*Theme:- ‘Intellectual property and small businesses: Taking big ideas to market’


  • 26 April:- International Chernobyl Disaster Remembrance Day


  • 28th April:- World Day For Safety And Health At Work

*Theme:  “Anticipate, prepare and respond to crises – Invest Now in Resilient Occupational Safety and Health Systems”


  • 28th April:- Worker's Memorial Day


  • 29th April:- International Dance Day 

*Theme: Purpose of dance’


  • 30th April:- Ayushman Bharat Diwas 


  • 30th April:- International Jazz Day


  • 24th April to 30th April 2021: World Immunisation Week 2021 

*Theme: “Vaccines bring us closer”








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