| CLARABARTON | Founder of the 26-/21-Down, who died on April 12, 1912 |
| GIRLSCOUTS | Organization that held its first troop meeting 3/12/1912 |
| CERVANTES | Spanish writer of the book "Don Quixote", who died on April 23rd 1616, the same day as Shakespeare (9) |
| DAWES | Captain (surname) of the 21 down who won the 1971 series against New Zealand (5) |
| TIGER | Formidable opponent on the 26 21? (5) |
| SHAKESPEARE | English playwright who died on April 23rd 1616, the same day as Cervantes (11) |
| BLOODDONORS | Some 26-/21-Down volunteers |
| THEDEVILIS | Let initiative she'd held slip, as always at the 26 21 (3,5,2,2,3,6) |
| SLAVERY | Issue which led to the outbreak of the US Civil War on April 12, 1861 (7) |
| CALCANEUS | Largest of the 26 bones of the foot, named from the Latin for 'heel' (9) |
| YURIGAGARIN | Pilot of the Soviet spacecraft Vostok 1, which made the first manned space flight on April 12 1961 (4,7) |
| FORTSUMTER | South Carolina landmark whose bombardment by the Confederates began the Civil War on April 12, 1861: |
| EVOOR | Place in the Indian state of Kerala famous for the ancient Sri Krishnaswamy temple, one of the 26 most important Mahavishnu shrines |
| STS | 22 of the 26 letters of the alphabet, in D.C. |
| TEETH | Start of the 26 taking most of the force (5) |
| INDIA | Country; one of the 26 codewords in the Nato phonetic alphabet (5) |
| CANTON | One of the 26 political divisions of Switzerland (6) |
| RORAIMA | Northernmost of the 26 states of Brazil; capital, Boa Vista (7) |
| TYPESET | Prepared for print last of the 26, finally entering petty revision (7) |
| EMERGE | One of the 26 sat in MG, shortly to come out (6) |
