22 March – thousands gather to pay their respects to the murdered Tomás Mac Curtain. Over 8,000 IRA Volunteers line the route to
St. Finbarr's Cemetery. He is succeeded as Lord Mayor by
Terence MacSwiney.
25 March – British recruits to the RIC begin to arrive in Ireland. They become known from their improvised uniforms as the "
Black and Tans".[2]
13–14 April –
Irish Trades Union Congress stages a general strike in support of the Mountjoy hunger strikers, securing their release.
15 April–8 June:
Arthur Griffith establishes a Republican legal system (under
Austin Stack) in areas under IRA control.[2] The traditional Summer
Assizes become virtually unworkable.
20 May – Dublin dock workers refuse to handle British military material, and are soon joined in the boycott by members of the
Irish Transport and General Workers Union.
4 June – the IRA orders a boycott of the RIC and their families.[2]
17 June – "The Listowel Mutiny": RIC constables based at
Listowel refuse orders to assist the British Army.[2] The RIC is ordered to shoot armed IRA men who do not surrender when challenged.[2]
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.[8]
1 November – an 18-year-old medical student,
Kevin Barry, is executed in
Mountjoy Prison for participating in the killing of three young unarmed British soldiers.[2]
11 December –
The Burning of Cork: British forces set fire to some 5 acres (20,000 m2) of the centre of
Cork (city), including the City Hall, in reprisal attacks after a British auxiliary is killed in a guerilla ambush.
Winners:
Shelbourne (final not played). Disorder at the other semi-final which is abandoned means both potential opponents are excluded from the competition and the
Irish Football Association award the cup to Shelbourne.
Gaelic Games
The All-Ireland Champions are Dublin (hurling) and Tipperary (football)
^Fox, Seamus (31 August 2008).
"January 1920". Chronology of Irish History 1919–1923. Dublin. Archived from
the original on 5 March 2012. Retrieved 31 October 2012.
^Fox, Seamus (31 August 2008).
"April 1920". Chronology of Irish History 1919–1923. Dublin. Archived from
the original on 26 June 2012. Retrieved 31 October 2012.
^Fox, Seamus (31 August 2008).
"September 1920". Chronology of Irish History 1919–1923. DCU. Archived from
the original on 22 August 2009. Retrieved 23 August 2012.
^French, Noel (2020). "The burning of Trim Barracks and reprisals". Ríocht na Midhe. 31: 184–210.
^Parkinson, Alan F. (2004). Belfast's Unholy War. Dublin: Four Courts Press. p. 84.
ISBN1-85182-792-7.
22 March – thousands gather to pay their respects to the murdered Tomás Mac Curtain. Over 8,000 IRA Volunteers line the route to
St. Finbarr's Cemetery. He is succeeded as Lord Mayor by
Terence MacSwiney.
25 March – British recruits to the RIC begin to arrive in Ireland. They become known from their improvised uniforms as the "
Black and Tans".[2]
13–14 April –
Irish Trades Union Congress stages a general strike in support of the Mountjoy hunger strikers, securing their release.
15 April–8 June:
Arthur Griffith establishes a Republican legal system (under
Austin Stack) in areas under IRA control.[2] The traditional Summer
Assizes become virtually unworkable.
20 May – Dublin dock workers refuse to handle British military material, and are soon joined in the boycott by members of the
Irish Transport and General Workers Union.
4 June – the IRA orders a boycott of the RIC and their families.[2]
17 June – "The Listowel Mutiny": RIC constables based at
Listowel refuse orders to assist the British Army.[2] The RIC is ordered to shoot armed IRA men who do not surrender when challenged.[2]
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.[8]
1 November – an 18-year-old medical student,
Kevin Barry, is executed in
Mountjoy Prison for participating in the killing of three young unarmed British soldiers.[2]
11 December –
The Burning of Cork: British forces set fire to some 5 acres (20,000 m2) of the centre of
Cork (city), including the City Hall, in reprisal attacks after a British auxiliary is killed in a guerilla ambush.
Winners:
Shelbourne (final not played). Disorder at the other semi-final which is abandoned means both potential opponents are excluded from the competition and the
Irish Football Association award the cup to Shelbourne.
Gaelic Games
The All-Ireland Champions are Dublin (hurling) and Tipperary (football)
^Fox, Seamus (31 August 2008).
"January 1920". Chronology of Irish History 1919–1923. Dublin. Archived from
the original on 5 March 2012. Retrieved 31 October 2012.
^Fox, Seamus (31 August 2008).
"April 1920". Chronology of Irish History 1919–1923. Dublin. Archived from
the original on 26 June 2012. Retrieved 31 October 2012.
^Fox, Seamus (31 August 2008).
"September 1920". Chronology of Irish History 1919–1923. DCU. Archived from
the original on 22 August 2009. Retrieved 23 August 2012.
^French, Noel (2020). "The burning of Trim Barracks and reprisals". Ríocht na Midhe. 31: 184–210.
^Parkinson, Alan F. (2004). Belfast's Unholy War. Dublin: Four Courts Press. p. 84.
ISBN1-85182-792-7.