Chulalongkorn Day

Quick Facts
- Date
- Thursday, October 23, 2025
- Observed in
- Thailand
- Type
- National Holiday
What is Chulalongkorn Day?
Chulalongkorn Day, observed on October 23rd, commemorates the death of King Chulalongkorn (Rama V) in 1910. He is one of Thailand's most beloved monarchs, credited with modernizing the kingdom and preserving its independence during the colonial era.
When is Chulalongkorn Day 2025?
Chulalongkorn Day is on Thursday, October 23 in 2025. Check the dates and days for other years in the table below.
History & Origin
King Chulalongkorn (1853-1910) reigned for 42 years and transformed Thailand into a modern nation. He abolished slavery, reformed education, built railways, introduced modern infrastructure, and skillfully navigated diplomacy to keep Thailand from European colonization. He died on October 23, 1910.
How It's Celebrated
Thais gather at the equestrian statue of King Chulalongkorn in Bangkok's Royal Plaza to lay wreaths and pay respects. Schools and government offices hold ceremonies. Many Thais wear traditional pink clothing, as pink was the king's birth color.
Where It's Observed
Chulalongkorn Day is a public holiday in 1 country. In 2025, it falls on Thursday, October 23.
Fun Facts
- King Chulalongkorn abolished slavery in Thailand
- He ruled for 42 years, one of the longest reigns in Thai history
- He sent his sons to study in Europe to bring back modern knowledge
- Thailand was never colonized partly due to his diplomatic skills
Frequently Asked Questions
Why is King Chulalongkorn revered in Thailand?
He modernized Thailand, abolished slavery, preserved the nation's independence during colonialism, and improved education and infrastructure.
Why do people wear pink on Chulalongkorn Day?
Pink was King Chulalongkorn's birth color according to Thai tradition, and wearing pink honors his memory.
Travel Inspiration
Planning a trip around Chulalongkorn Day? Explore our travel guides for destinations where this holiday is celebrated.



