What important 14th-century Thai stone inscription, rediscovered in 1833, is the earliest example of Thai script?

• A Wat Si Chum Inscription
• B Ramkhamhaeng Stele ✓
• C Manang Sila Inscription
• D Wat Pho Inscriptions

The Ramkhamhaeng Stele (dated 1292) is the earliest known example of Thai script, attributed to King Ramkhamhaeng of Sukhothai, though its authenticity has been debated by some scholars.