19 th November is observed as the

The correct answer is C) World Toilet Day. The UN General Assembly recognised 19 November as World Toilet Day in 2013 (resolution A/RES/67/291), to draw attention to sanitation for the 2.5 billion people who lacked access to proper toilets at that time.

• A) World Green Day: Not a UN-recognised observance on this date. Environment-related days like World Environment Day fall on 5 June.
• B) World Anti-poverty Day: Observed on 17 October, not 19 November.
• D) World Clean Water Day: Not a standard UN observance. The relevant day is World Water Day, on 22 March.

The core concept is sanitation as a development issue, linked to SDG 6 (clean water and sanitation). For Mains, connect it to the Swachh Bharat Mission, launched on 2 October 2014, and to the issues of open defecation, manual scavenging and menstrual hygiene.

Trap: Aspirants often mix up the water-related days (World Water Day on 22 March) with sanitation days and pick D.