World Cancer Day is observed annually across the world on:
- A10th January
- B4th February
- C5th June
- D5th July
Solution & Step-by-step Explanation
World Cancer Day is marked globally on 4th February every year. Led by the Union for International Cancer Control (UICC), it aims to promote awareness, improve education, and catalyze personal, collective, and government action against the disease worldwide.