2023 racehorse deaths

Danedream (foaled 7 May 2008- August 31, 2023 ) was a German Thoroughbred racehorse best known for winning the 2011 Prix de l'Arc de Triomphe in race record time. She is one of only three German trained horses to win the Arc, the others being Star Appeal in 1975 and Torquator Tasso in 2021. In November 2011 she became the first German-trained horse to win a Cartier Racing Award.

Japanese Thoroughbred racehorse

Japanese Thoroughbred racehorse (1990-2023)

Japanese-bred Thoroughbred racehorse