King's Mother's Birthday is celebrated annually on June 18 in Cambodia to honor Queen Mother Norodom Monineath Sihanouk. This day recognizes her significant contributions to the nation, especially through her extensive charitable work. Observances typically include official ceremonies, cultural performances, and community gatherings that reflect on her life and legacy. Born in Saigon, she became queen consort from 1993 to 2004 and served as the president of the Cambodian Red Cross from 1967 to 1970. The holiday serves as a reminder of her enduring impact on Cambodian history and encourages support for community initiatives.