International Day of Light 2026: 16 May Theme and Laser Link
Why in the news
Countries across the globe marked International Day of Light on 16 May 2026 to stress what light-based technologies contribute to society.
Key facts
- Date: 16 May 2026, a worldwide observance.
- Theme: Light for a Sustainable Future.
- Focus: how light technology helps science, learning and long-term development.
- Link to history: the day recalls Theodore Maiman and the first working laser, 1960.
Exam angle
- Remember the person, Theodore Maiman, and the year, 1960.
- Date to recall: 16 May.
- Theme questions may appear in static GK sections.