Which type of hat, a black felt headgear with a curled brim and a ribbon band, was traditionally worn by city businessmen and is now mostly seen at formal events?

• A Top hat
• B Trilby
• C Flat cap
• D Bowler hat ✓

The bowler hat was created in 1849 for Edward Coke by London hatters Lock & Co.; it became the symbol of London's financial district and is still worn at Epsom Derby.