National Day of Bhutan
National Day of Bhutan (Dzongkha: རྒྱལ་ཡོངས་དུས་ཆེན་; Wylie: rgyal yongs dus chen) known as Gyalyong Düchen is a major national event celebrated annually on 17 December in the Kingdom of Bhutan. The day holds significant importance in the history of Bhutan.