The 50th anniversary of an event.
किसी घटना की 50वीं वर्षगांठ।
English Usage: The town celebrated its semicentennial with a parade and fireworks.
Hindi Usage: शहर ने एक परेड और आतिशबाजी के साथ अपनी semicentennial मनाई।
ardhshatabdi, ardh shatabdi, ardh-shatabdi, ardha shatabdi, aardhashatabdi, ardh shatabdhi
