USA awareness days and key dates

Saturday 1 August 2026

• World Breastfeeding Week

  Awareness1 to 7 August 2026

  World Breastfeeding Week, 1 to 7 August, promotes breastfeeding and the support families need from communities, employers and governments.

• World Lung Cancer Day

  Awareness

  A global day on 1 August that raises awareness of lung cancer risks, screening and treatment.

Tuesday 4 August 2026

• National Night Out

  Awareness

  National Night Out takes place on the first Tuesday in August, when US neighbourhoods hold events to build links with local police.

Thursday 6 August 2026

• International Day of Awareness of the Special Development Needs and Challenges of Landlocked Developing Countries

  Awareness

  On 6 August the UN highlights the development challenges faced by the 32 developing countries that have no coastline.

Sunday 9 August 2026

• International Day of the World's Indigenous Peoples

  Awareness

  On 9 August the UN raises awareness of the rights and needs of Indigenous Peoples around the world.

Monday 10 August 2026

• World Lion Day

  Awareness

  Held on 10 August, World Lion Day raises awareness of the decline of wild lions and gathers support for their conservation.

Tuesday 11 August 2026

• World Steelpan Day

  Awareness

  World Steelpan Day on 11 August celebrates the steelpan, the musical instrument from Trinidad and Tobago, and its cultural importance.

Wednesday 12 August 2026

• International Youth Day

  Awareness

  International Youth Day on 12 August highlights the role of young people in building fair and sustainable societies.

• World Elephant Day

  Awareness

  Marked on 12 August, World Elephant Day draws attention to threats facing Asian and African elephants, such as poaching and habitat loss.

Saturday 15 August 2026

• Assumption of Mary

  Religious and cultural

  The Assumption of Mary on 15 August is the Catholic feast celebrating Mary being taken up into heaven, a holy day of obligation.

Wednesday 19 August 2026

• National Aviation Day

  Awareness

  National Aviation Day on 19 August celebrates the history and progress of flight in the United States.

• World Humanitarian Day

  Awareness

  World Humanitarian Day on 19 August honours aid workers and calls for the protection of people who deliver humanitarian help.

Thursday 20 August 2026

• Southern HIV/AIDS Awareness Day

  Awareness

  Held on 20 August, this day draws attention to the high rates of HIV in the southern United States.

• World Mosquito Day

  Awareness

  Held on 20 August, World Mosquito Day marks Sir Ronald Ross's 1897 discovery that mosquitoes transmit malaria, and highlights mosquito borne diseases.

Friday 21 August 2026

• International Day of Remembrance and Tribute to the Victims of Terrorism

  Awareness

  On 21 August the UN honours and supports victims and survivors of terrorism and promotes their rights.

Saturday 22 August 2026

• International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief

  Awareness

  On 22 August the UN remembers people harmed by violence because of their religion or belief and calls for support for them.

• National Park Week

  Awareness22 to 30 August 2026

  National Park Week celebrates America's national parks with events and a fee-free entry day; in 2026 it ran from 22 to 30 August.

Sunday 23 August 2026

• International Day for the Remembrance of the Slave Trade and its Abolition

  Awareness

  On 23 August UNESCO remembers the transatlantic slave trade and marks the 1791 uprising in Saint Domingue, now Haiti, that helped bring about its end.

Wednesday 26 August 2026

• Women's Equality Day

  Awareness

  A US day on 26 August marking the certification in 1920 of the 19th Amendment, which gave women the right to vote.

Thursday 27 August 2026

• World Lake Day

  Awareness

  World Lake Day on 27 August raises awareness of lakes and the need to manage and protect them sustainably.

Saturday 29 August 2026

• International Day against Nuclear Tests

  Awareness

  The International Day against Nuclear Tests on 29 August raises awareness of the effects of nuclear test explosions and calls for them to end.

Sunday 30 August 2026

• International Day of the Victims of Enforced Disappearances

  Awareness

  On 30 August the UN honours people who have been forcibly disappeared and supports their families' right to the truth.

Monday 31 August 2026

• International Day for People of African Descent

  Awareness

  On 31 August the UN celebrates the heritage and contributions of people of African descent and calls for an end to racial discrimination.

• International Day of Safe, Secure and Trustworthy Artificial Intelligence

  Awareness

  On 31 August the UN promotes artificial intelligence that is safe, secure and trustworthy and that benefits everyone.

• International Overdose Awareness Day

  Awareness

  Held on 31 August, the world's largest campaign to remember people lost to overdose, reduce stigma and promote overdose prevention.