Members of the British Royal Family attend the 1955 Epsom Derby

The video covers the 176th English Derby at Epsom, attended by 300,000 people, including Queen Elizabeth and the Duke of Edinburgh. The favorite horse, Acropolis, competes in a field of 23. In the final stretch, Panaslipper, a 100-to-1 shot, takes the lead, but Phil Drake, a 100-to-8 shot, wins the race.

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