### Clue: Irish turning up to celebrate their 1916 event? (6)
### Answer: RISING 
 ### Explanation: Definition: their 1916 event
 **Reversal of**(… turning up, in a down clue) IR(abbrev. for "Irish") + SING(to celebrate/to honour publicly).
Defn: …, viz. the Easter Rising or Easter Rebellion in Ireland, starting 24 April 1916.
Cross-references: Clue 27 across, and yesterday's date.