and General Workers Union. 22 May – in Rome, Pope Benedict XV beatifies Oliver Plunkett. 4 June – the IRA orders a boycott of the RIC and their families. 17 June – "The Listowel Mutiny": RIC constables based at Listowel refuse orders to assist the British Army. The RIC is ordered to shoot armed IRA men who do not surrender when challenged. 20 June – five die in severe rioting in Ulster. 24 June – troops are sent to reinforce the Derry garrison. 29 June – Dáil Courts established to hear civil cases. 6 July – Kingstown Urban District Council resolves to revert to the town's historic name of Dún Laoghaire. 21 July – Protestants expel Catholic workers from the Harland and Wolff shipyard in Belfast. Referred to as the Belfast Pogrom. 23 July – fourteen die and one hundred are injured in fierce rioting in Belfast. 27 July – the first recruits – former British Army officers – join the RIC's Auxiliary Division. 31 July – Bishop Daniel Mannix is detained on board ship off Queenstown and prevented from landing in Ireland. 3 August – Catholic riots in Belfast in protest at the continuing British Army presence. 13 August – the Restoration of Order in Ireland Act receives Royal Assent, providing for Irish Republican Army activists to be tried by court-martial rather than by jury in criminal courts. 15 August – the town hall at Templemore is burned down during the disturbances. 19 August – following his conviction by court martial for sedition, the Lord Mayor of Cork, Terence MacSwiney, goes on hunger strike in Brixton Prison (London). 24 August – special constables are enrolled following rioting in Ulster. 20 September – "Sack of Balbriggan" in County Dublin: "Black and Tans" destroy more than fifty properties in the town. 28 September – there are disturbances at Mallow, County Cork, when a raid on a military barracks by Liam Lynch and Ernie O'Malley is followed by a sack of the town by British soldiers. 30 September – "Sack of Trim" in County Meath: "Black and Tans" destroy properties in the town following the previous day's raid on an RIC barracks by the IRA. 22 October – formation of the Ulster Special Constabulary, an armed (and predominantly Protestant) police reserve, is announced. 25 October – Terence MacSwiney, Lord Mayor of Cork, dies in Brixton Prison on the 74th day of his