Which is the only horse to win both the Cheltenham Gold Cup and the Grand National in the same year?

Golden Miller (1927–1957) was a Thoroughbred racehorse who is the most successful Cheltenham Gold Cup horse ever, winning the race in five consecutive years between 1932 and 1936. He also is the only horse to win both of the United Kingdom's premier steeplechase races - the Cheltenham Gold Cup and the Grand National - in the same year (1934).

In 1931, Golden Miller made his steeplechasing debut at Newbury Racecourse where he finished first, only to be disqualified for carrying incorrect weight. On 30 December, he won the Reading Chase before winning the Sefton Steeplechase on 20 January 1932. In 1933, as a six-year-old and winner of two Cheltenham Gold Cups, he started as the 9/1 favourite in the Grand National but fell at the Canal Turn.

In the 1934 Grand National win, he set a new course record of 9 min 20.4s for Aintree. This victory was the middle of five consecutive Gold Cup victories, a Gold Cup record.

He retired in 1939 with a record of 29 wins from 52 races. A statue of Golden Miller was erected near the parade ring at Cheltenham Racecourse.