Coronation

A coronation was a ceremony in which leaders, usually monarchs, were crowned.

On Gallifrey, the Lord President was presented with the Crown of Rassilon at his coronation. The Sash of Rassilon was typically worn at the ceremony. (DW: The Invasion of Time)

After Elizabeth II was restored to the throne after being briefly deposed Ice Lord Xznaal in May 1997, her re-coronation was held on 23rd November. (NA: The Dying Days)

The alien Wire attempted to take the energy from the millions of humans watching the coronation of Elizabeth II of the United Kingdom on their televisions in 1953. However, the Tenth Doctor foiled the Wire's plans. (DW: The Idiot's Lantern)