| MANOWAR | "Horse of the Century" that won 20 of his 21 races |
| LEDLEYKING | Former Tottenham Hotspur defender who won the first of his 21 England caps in 2002 |
| PIRATE | Willie Stargell, for his 21-year baseball career |
| EMMYS | "24" won 20 of them |
| OWAR | Man ___ (A.P.'s Horse of the Century) |
| OSPREYS | Birds that were extinct in England until the middle of the 20th century that are now visiting Norfolk whilst on migration to Africa (7) |
| MARXISM | Political philosophy developed in the 19th Century that stresses the importance of class struggle (7) |
| SUCRE | City founded in the 16th century that is the judicial capital of Bolivia (5) |
| BAHAI | A monotheistic faith founded in the 19th century that stresses the oneness of humankind (5) |
| ETHER | Discovered in the 13th century and called sweet vitriol, it wasn't until the 19th century that it wa |
| TAKEOVERTARGET | Joe Janiak's racehorse, winner of 21 races from 41 starts (8,6) |
| MOONS | Scientists announced the discovery of 20 of these orbiting Saturn on Oct. 8 and asked the public to suggest names; four of the already-known 82 begin this puzzle's theme entries |
| INAUGURATION | --- Day, the day on which a president of the US is formally placed in office, on January 20 of the year following the election (12) |
| LAKEPOETS | Literary group of the early 19th century that comprised Samuel Taylor Coleridge, Robert Southey and William Wordsworth (4,5) |
| UMBRELLA | A kind of sunshade introduced to Britain in the 17th century that soon became a rain canopy (8) |
| TUSCARORA | Native American tribe expelled from North Carolina in the 18th century that moved to New York and parts of Canada (9) |
| WINERIES | The first 20 of 20-20, say (Pennsylvania) |
| EURO | Currency used by 20 of the 27 members of the EU (4) |
| IANGOLDS | International sea angler, won 20+ caps/four golds (died 2021) (3,5) |
| DJOKOVIC | Novak ........ , Serbian tennis player who has won 20 Grand Slam singles titles (8) |
