List of Important Days in October 2021: National and International
Important Days and Dates in October 2021 with Themes: October is the 10th month of an annual year which has 31 days. Here, you will Check the list below about the events (National and International) and festivals that fall in the month of October 2021. In this article, You will find a list of days, dates, and events of national and international importance.
List of Important Days in October 2021 with Themes
| Date | Name of Important Days | Theme 2021 |
| 1 October | International Coffee Day | Coffee’s Next Generation |
| 1 October | International Day of Older Persons | Digital Equity for All Ages |
| 1 October | World Vegetarian Day | – |
| 2 October | World Smile Day | – |
| 2 October | Gandhi Jayanti | – |
| 2 October | International Day of Non-Violence | – |
| 2 October | World Day for Farmed Animals | – |
| 3 October | German Unity Day | – |
| 4 October | World Animal Welfare Day | – |
| 4 October – 10 October | World Space Week | Women in Space |
| 4 October | World Habitat Day | Accelerating urban action for a carbon-free world |
| 4 October – 10 October | World Investor Week | Sustainable finance frauds and scams prevention |
| 5 October | World Teachers’ Day | Teachers at the heart of education recovery |
| 5 October | Ganga River Dolphin Day | – |
| 6 October | German-American Day | – |
| 7 October | World Cotton Day | Cotton for Good |
| 8 October | Indian Air Force Day | – |
| 8 October (2nd Friday) | World Egg Day | Eggs for all: Nature’s perfect package |
| 9 October | World Postal Day | Innovate to recover |
| 9 October (2nd Saturday) | World Migratory Bird Day | Sing, Fly, Soar – Like a Bird! |
| 10 October | World Mental Health Day | Mental health in an unequal world |
| 10 October | World Day Against the Death Penalty | Women Sentenced to Death: An Invisible Reality |
| 11 October | International Day of the Girl Child | Digital generation. Our generation |
| 12 October | World Arthritis Day | Don’t Delay, Connect Today: Time2Work |
| 13 October | International Day for Disaster Risk Reduction | International cooperation for developing countries to reduce their disaster risk and disaster losses |
| 13 October | World Thrombosis Day | eyes open to thrombosis |
| 14 October | International E-Waste Day | Consumer is the key to Circular Economy! |
| 14 October | World Standards Day | Standards for sustainable development goals- a shared vision for a better future |
| 14 October (2nd Thursday) | World Sight Day | ‘Love Your Eyes‘ |
| 15 October | Pregnancy and Infant Loss Remembrance Day | – |
| 15 October | Global Handwashing Day | Our Future is at Hand – Let’s Move Forward Together |
| 15 October | World White Cane Day | – |
| 15 October | International Day of Rural Women | Rural women cultivating good food for all |
| 15 October | World Students’ Day | – |
| 16 October | World Food Day | Safe food now for a healthy tomorrow |
| 16 October | World Spine Day | BACK 2 BACK |
| 16 October | Boss Day | – |
| 16 October | World Anaesthesia Day | – |
| 16 October | 37th Raising Day of the NSG | – |
| 17 October | International Day for the Eradication of Poverty | Building Forward Together: Ending Persistent Poverty, Respecting all People and our Planet |
| 20 October | World Statistics Day | |
| 20 October | International Chef’s Day | Healthy Food for the Future |
| 20 October | World Osteoporosis Day | Serve Up Bone Strength |
| 21 October | National Police Commemoration Day | – |
| 22 October | International Stuttering Awareness Day | Speak the change you wish to see |
| 23 October | International Snow Leopard Day | |
| 24 October | United Nations Day | Building Back Together for Peace and Prosperity |
| 24 October | World Polio Day | One Day. One Focus: Ending Polio – delivering on our promise of a polio-free world! |
| 24 October | International Day of Diplomats | – |
| 24 October | World Development Information Day | – |
| 24 October – 30 October | Disarmament Week 2021 | – |
| 26 October – 1 November | Vigilance Awareness Week 2021 | Independent India @75: Self Reliance with Integrity (स्वतंत्र भारत @ 75: सत्यनिष्ठा से आत्मनिर्भरता) |
| 27 October | 75th Infantry Day | – |
| 27 October | World Day for Audiovisual Heritage | Your Window to the World |
| 28 October | International Animation Day | – |
| 29 October | International Internet Day | – |
| 29 October | World Psoriasis Day | INFORMED |
| 30 October | World Thrift Day | Understanding the importance of savings |
| 31 October | Rashtriya Ekta Diwas or National Unity Day | |
| 31 October | World Cities Day | Adapting Cities for Climate Resilience |
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