The World Cancer Day (WCD) is observed every year on:

Explanation

– World Cancer Day is observed every year on February 4.
– It is led globally by the Union for International Cancer Control (UICC) to raise awareness about cancer prevention, detection, and treatment.
– The day aims to reduce illness and death caused by cancer through global advocacy and education efforts.
– Various awareness campaigns, medical camps, and educational events are held worldwide to mark the occasion.