Q3 2021 UN Days Basic Calendar

Ready-to-post social media graphics with captions featuring UN Days for the third quarter of 2021.

Post on social media about United Nations Days events for the third quarter of 2021 using Post Vendo's ready-to-post social media graphics and captions. We have a total of 144 days and events for you to post about in your social media for the months of July, August and September this year.

Ready-to-Post: $ 11.99

Custom-Designed: $ 71.99

144 designs with captions



  • 144 ready-to-post designs
  • 24 UN holidays and events
  • 6 social media platforms
  • Custom caption for each social media post
  • Bulk upload-ready CSV file for your social media scheduler
  • High resolution copy of each design


In July, August and September of this year the United Nations celebrates a number of days throughout the year to mark particular events and topics to promote awareness and action around certain causes as it relates to the organization. Post Vendo offers social media marketers a variety of templates that make use of professionally-designed graphics with accompanying captions so you can share them on social media channels in no time.

List of Events/Holidays


This bundle has an image post for each of the UN events and holidays listed below for each of the six social media platforms.


July 3: International Day of Cooperatives

July 11: World Population Day

July 15: World Youth Skills Day

July 18: Nelson Mandela Day

July 28: World Hepatitis Day

July 30: International Day of Friendship

July 30: World Day against Trafficking in Persons

August 9: International Day of the World's Indigenous People

August 12: International Youth Day

August 19: World Humanitarian Day

August 23: International Day for the Remembrance of the Slave Trade and its Abolition

August 29: International Day against Nuclear Tests

August 30: International Day of the Victims of Enforced Disappearances

September 5: International Day of Charity

September 8: International Literacy Day

September 10: World Suicide Prevention Day

September 12: International Day for South-South Cooperation

September 15: International Day of Democracy

September 16: International Day for the Preservation of the Ozone Layer

September 21: International Day of Peace

September 23: World Maritime Day

September 26: International Day for the Total Elimination of Nuclear Weapons

September 27: World Tourism Day

September 28: World Rabies Day

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