World Ozone Day 2026 Observed on 16 September with the Theme 'Global Action for a Cooler Planet'

16 September 2026National

The International Day for the Preservation of the Ozone Layer, or World Ozone Day, was observed on 16 September 2026 — the 32nd observance — on the theme "Global action for a cooler planet." The 2026 edition marks 10 years of sustainable cooling under the Kigali Amendment to the Montreal Protocol. The date commemorates the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987. The UN General Assembly proclaimed the day through resolution A/RES/49/114 of 19 December 1994, and it was first observed on 16 September 1995. The ozone layer absorbs most of the Sun's harmful ultraviolet radiation.

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The Montreal Protocol of 1987 is the only UN treaty ratified by all 198 UN member states and phases out ozone-depleting substances such as CFCs | The Kigali Amendment, adopted in 2016 and in force from 1 January 2019, phases down hydrofluorocarbons (HFCs), which are potent greenhouse gases | The Vienna Convention for the Protection of the Ozone Layer was adopted in 1985

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Police Commemoration Day Observed on 21 October in Memory of the 1959 Hot Springs Ambush in Ladakh

Police Commemoration Day was observed across India on 21 October 2026 in memory of police personnel who died in the line of duty. The day marks the 1959 Hot Springs incident in Ladakh, when a Central Reserve Police Force patrol was ambushed by Chinese troops; ten CRPF personnel were killed and seven taken prisoner. The National Police Memorial at Chanakyapuri, New Delhi, dedicated by Prime Minister Narendra Modi on 21 October 2018, hosts the national ceremony, where the names of police personnel who died during the preceding year are read out. The same date is also observed as Azad Hind Government Foundation Day.

GK ByteThe CRPF was raised in 1939 as the Crown Representative's Police and is India's largest central armed police force, headquartered in New Delhi | The National Police Memorial at Chanakyapuri has a 30-foot black granite central sculpture and a Wall of Valour | Police is a State subject under Entry 2 of the State List in the Seventh Schedule of the Constitution

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World Osteoporosis Day Observed on 20 October 2026 with the Campaign 'Build, Protect, Strengthen Your Bones for Life'

World Osteoporosis Day was observed on 20 October 2026 under the campaign 'Build, Protect, Strengthen Your Bones for Life', led by the International Osteoporosis Foundation (IOF). The day was first marked on 20 October 1996 by the UK's National Osteoporosis Society with the European Commission; the IOF has organised it since 1997, and the WHO co-sponsored it in 1998 and 1999. About one in three women and one in five men aged over 50 suffer an osteoporotic fracture, yet only around 20% are diagnosed or treated. The observance closes Bone and Joint Action Week, held from 12 to 20 October.

GK ByteThe International Osteoporosis Foundation is headquartered at Nyon, Switzerland | Bone and Joint Action Week runs from 12 to 20 October and includes World Arthritis Day (12 October), World Spine Day (16 October) and World Trauma Day (17 October) | Osteoporosis is assessed by bone mineral density measured through a DEXA scan and reported as a T-score

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International Day for the Eradication of Poverty Observed on 17 October 2026 Under 'Safe Homes for All'

The International Day for the Eradication of Poverty was marked worldwide on 17 October 2026, the 34th UN-recognised observance since 1993. The 2026 commemoration carried the focus 'Safe Homes for All' within the three-year 2026-2028 theme 'United for Peace and Human Rights', with the UN ceremony held at its New York headquarters. The day was proclaimed by UN General Assembly Resolution A/RES/47/196 of 1992 and traces back to 17 October 1987, when Father Joseph Wresinski gathered over 100,000 people at the Trocadero in Paris. It falls a day after World Food Day, observed on 16 October.

GK ByteSustainable Development Goal 1 aims to end poverty in all its forms everywhere by 2030 | The global Multidimensional Poverty Index is published jointly by UNDP and the Oxford Poverty and Human Development Initiative, while NITI Aayog publishes India's National MPI | World Food Day is observed on 16 October, marking the founding of the FAO in 1945

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World Food Day Observed on 16 October 2026 with the Theme 'Innovate Today. Nourish Tomorrow'

World Food Day was observed worldwide on 16 October 2026 under the theme 'Innovate today. Nourish tomorrow.', spotlighting innovation's role in transforming agrifood systems. The day marks the founding of the Food and Agriculture Organization on 16 October 1945, making 2026 its 81st anniversary; the day itself has been observed since 1981. The main ceremony was held in the Plenary Hall at FAO headquarters in Rome, where Director-General QU Dongyu was joined by the heads of the UN's Rome-based agencies, with special messages from Pope Leo XIV and the UN Secretary-General, and the presentation of the FAO Achievement Award.

GK ByteThe FAO is headquartered in Rome, Italy; the other UN Rome-based agencies are the World Food Programme and the International Fund for Agricultural Development | FAO flagship reports include SOFI (food security and nutrition) and SOFIA (fisheries and aquaculture) | SDG 2, Zero Hunger, targets ending hunger and malnutrition by 2030

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