All Day

Back to School 2027

International

Back to School 2027 is Monday 23 August 2027 to Monday 6 September 2027. There is no single fixed date: most US districts return between mid August and the day...

National Wattle Day 2027

Australia

National Wattle Day is celebrated annually on September 1, marking the beginning of spring in Australia. This day honors the golden wattle (Acacia pycnantha), Australia’s national floral emblem, symbolizing unity,...

Ginger Cat Appreciation Day

International

Ginger Cat Appreciation Day is observed every year on 1 September, dedicating the day to celebrating orange tabby cats and raising awareness about feline welfare. The day was founded in...

International Primate Day

International

International Primate Day takes place every year on 1 September. It is an educational observance that highlights the threats facing the world’s apes, monkeys and other primates, and the abuses...

World Letter Writing Day

International

World Letter Writing Day takes place every year on 1 September. In 2026 it falls on Tuesday, 1 September. The day encourages people of all ages to set aside their...

Slovakia — Constitution Day

International

Slovakia — Constitution Day is on Wednesday 1 September 2027.Slovakia commemorates its constitution on 1 September, distinct from the state-establishment celebration on 1 January.Country or nation: Slovakia.DatesYearDate2026Tuesday 1 September 20262027Wednesday...

Uzbekistan — Independence Day

International

Uzbekistan — Independence Day is on Wednesday 1 September 2027.Uzbekistan's national celebration is Independence Day on 1 September.Country or nation: Uzbekistan.DatesYearDate2026Tuesday 1 September 20262027Wednesday 1 September 20272028Friday 1 September 2028Official...

World Alzheimer’s Month 2027

United Kingdom

The next World Alzheimer’s Month is Wednesday 1 September 2027 to Thursday 30 September 2027. This date is calculated from the checked fixed annual pattern, rather than a separate announcement...

Blood Cancer Awareness Month 2027

United Kingdom

The next Blood Cancer Awareness Month is Wednesday 1 September 2027 to Thursday 30 September 2027. This date is calculated from the checked fixed annual pattern, rather than a separate...

Gynecological Cancer Awareness Month

International

The next Gynecological Cancer Awareness Month is Wednesday 1 September 2027 to Thursday 30 September 2027. This date is calculated from the checked fixed annual pattern, rather than a separate...

National Sickle Cell Awareness Month

United States

The next National Sickle Cell Awareness Month is Wednesday 1 September 2027 to Thursday 30 September 2027. This date is calculated from the checked fixed annual pattern, rather than a...