The Her Majesty's Plate is a Listed flat horse race in Ireland open to thoroughbreds aged three years or older. It is run at the Down Royal over a distance of 1 mile and 6 furlongs (2,816 metres), and it is scheduled to take place each year in July.
The race was first run in 1996. It was run over 12 furlongs until 2003 (except in 2002 when it was run over 10 furlongs) after which the distance was increased to 13 furlongs.
The race was awarded Listed status in 2016 and increased in distance to 14 furlongs.
References
Her Majesty's Plate Wikipedia(Text) CC BY-SA