March

March carries the year's biggest gender-and-rights day, along with a run of "World [natural resource] Day" observances that are easy to blur together.

• 3 March — World Wildlife Day, marking the date in 1973 that the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) was signed — proclaimed by the UN General Assembly in 2013 to celebrate and raise awareness of the world's wild animals and plants.
• 4 March — National Security Day, observed by India's security and police establishment to commemorate those who serve in national security roles.
• 8 March — International Women's Day, with roots tracing back to the labour movements of the early 20th century (a 1908 garment workers' march in New York and a subsequent 1910 International Socialist Women's Conference proposal), formally recognised by the United Nations starting in 1975 (International Women's Year) — it marks a day of recognising women's social, economic, cultural, and political achievements while calling attention to continuing gender inequality.
• 13 March — No Smoking Day, observed (on the second Wednesday of March in some traditions, though widely also fixed to 13 March in Indian usage) to raise awareness about the harms of tobacco smoking and support people trying to quit.
• 15 March — World Consumer Rights Day, marking the date in 1962 that U.S. President John F. Kennedy addressed the US Congress and formally outlined the concept of consumer rights for the first time — the origin anchors a day now used globally to campaign for consumer protection.
• 20 March — International Day of Happiness, established by a UN General Assembly resolution in 2012, recognising happiness as a fundamental human goal and calling for a more inclusive, equitable approach to economic growth; also the date of the spring equinox in the Northern Hemisphere, which is why World Sparrow Day (raising awareness of the declining house-sparrow population) also falls on 20 March.
• 21 March — World Forestry Day (International Day of Forests), established by the UN General Assembly in 2012, to raise awareness of the importance of all types of forests and of trees outside forests for the benefit of current and future generations.
• 22 March — World Water Day, marking the adoption in 1993 following a recommendation of the 1992 UN Conference on Environment and Development (the Rio "Earth Summit") — dedicated to raising awareness of the global water crisis and the sustainable management of freshwater resources.
• 23 March — World Meteorological Day, marking the date in 1950 that the convention establishing the World Meteorological Organization (WMO) entered into force; the same date, 23 March, is also observed in some Indian states/contexts as Shaheed Diwas for Bhagat Singh, Rajguru, and Sukhdev, executed on this date in 1931 — a deliberate point of confusion worth flagging (see Commonly Confused Days).
• 24 March — World Tuberculosis (TB) Day, marking the date in 1882 that Dr Robert Koch announced his discovery of the bacterium causing tuberculosis — sponsored by the WHO, this remains one of the clearest "scientist's announcement date becomes the observance date" stories in the whole calendar, structurally identical to National Science Day's Raman Effect story above.
• 27 March — World Theatre Day, established in 1961 by the International Theatre Institute, celebrating theatre in all its forms.

Memory hook — "Water, Forest, Weather, Wildlife — the natural-resource run": 21 March (Forests) → 22 March (Water) → 23 March (Meteorological/Weather) fall on three consecutive days, and 3 March (Wildlife) opens the month with the same broad "nature" theme — treat this as one connected four-day arc rather than four unrelated facts.

Practice Recall: Name the two entirely unrelated events that both fall on 23 March in the Indian context, and explain why confusing them is a classic exam trap.