Which monarch, ruling from 1910 to 1925, introduced compulsory education and the country's first university?

• A Vajiravudh ✓
• B Chulalongkorn
• C Prajadhipok
• D Mongkut

King Vajiravudh (Rama VI), educated at Oxford, was a prolific writer and moderniser who introduced the Thai flag, surnames, and the Wild Tiger Corps paramilitary organisation.