1689 in Denmark

Incumbents

• Monarch – Christian V

Events

• 19 April – Sophie Amalienborg burns down when a stage decoration catches fire during an opera performance in connection with the king's birthday a few days earlier. 170 people are killed, including many prominent citizens.
• November 10 – Reformed Church in Copenhagen is consecrated.

Deaths

• 26 March – Gabriel Milan, governor
• October – Christopher Heins, Governor-General of The Danish West Indies