The Democracy Monument was built in 1940 to mark the eighth anniversary of the Siamese Revolution of 1932, which ended absolute monarchy and established a constitutional system. The design by Corrado Feroci (Silpa Bhirasri) integrates Thai and European monumental architecture; the 75 cannon balls surrounding the base represent 2475 BE (the Buddhist Era equivalent of 1932); the four wing-like structures represent the army, navy, air force, and police.
The monument sits at the centre of Ratchadamnoen Klang Avenue and has repeatedly served as the focal point of Thai political protest — in 1973, 1992, 2010, and 2020. The dual nature of the monument as both regime symbol and site of democratic protest gives it an unusual political ambiguity. The surrounding area is walkable, particularly in the evening when the boulevard is less trafficked.