In Cambodia, the Queen Mother's Birthday is a significant national holiday. Celebrated annually on June 18, this holiday pays tribute to the Queen Mother Norodom Monineath Sihanouk. The day holds considerable significance in Cambodia as the Queen Mother is a beloved figure, renowned for her substantial contribution to the nation.

On this day, people across the country celebrate with festivities and public ceremonies. The Queen's Birthday is marked by grand parades, cultural performances, and firework shows throughout the major cities. Cambodian households adorn their homes with the national flag and portraits of the Queen Mother, indicative of the immense respect and dedicated proceedings that mark this special occasion.

The Queen Mother's Birthday also rings in a momentous day for all Cambodians who cherish this opportunity to celebrate their shared national identity. On this day, schools and public offices close while many events showcasing Cambodian culture and tradition take place. It's a day when citizens express their national pride and admiration towards the Queen Mother and, invariably, a day that reinforces Cambodian unity, heritage, and respect for their monarchy.