| REDCROSS | International humanitarian organisation founded in 1863 (3,5) |
| ASSOCIATION | Football ___, sports organisation founded in 1863 (11) |
| RC | International humanitarian organisation (abbr) (2) |
| UNO | International humanitarian organisation or the hugely popular card game invented by an Ohio barber |
| ISMAILIA | Egyptian city on the Suez canal, founded by the ruling khedive in 1863 and named after him |
| ROSSETTI | Italian artist who painted Helen of Troy in 1863 (8) |
| METROCAMMELL | Birmingham-based manufacturer of railway carriages and wagons founded in 1863 |
| STOKE | English football club, founded in 1863, whose nickname is The Potters (5) |
| UNICEF | International humanitarian grp. |
| BAHAI | Religion founded in Persia in 1863 (5) |
| REDCRESCENT | Humanitarian organisation which operates in Muslim countries (3,8) |
| ROTARYCLUB | Humanitarian organisation's driver possibly going round in circles (6,4) |
| GETTYSBURGADDRESS | Speech delivered by Abraham Lincoln in Pennsylvania in 1863 (10,7) |
| FOOTBALLASSOCIATION | Soccer organisation established in 1863 (8,11) |
| RORY | This guy sees volunteers desert humanitarian organisation (4) |
| NGO | Humanitarian organisation (init.) (3) |
| CHARITY | Wary about object for humanitarian organisation (7) |
| MEADE | George Gordon ___, Union general in the American Civil War who defeated Robert E Lee at the Battle of Gettysburg in 1863 (5) |
| CHATTANOOGA | City in eastern Tennessee, site of a Civil War battle in 1863 |
| JOSEPHHOOKER | Major general in the Union Army during the American Civil War defeated by Confederate General Robert E Lee at the Battle of Chancellorsville in 1863 |
