6 Apr: date on which Celsus or Cellach, Abbot of #Armagh v. significant politician & reformer entered the Roman martyrology - he died on 1 Apr 1129, but due to a mistake in a martyrology in printed in #Leuven in 1563 was assigned #otd in the #Roman calendar

3 Apr 1189: St. Celsus or Cellach, Abbot of #Armagh, a very significant politician & reformer is buried in the tomb of the bishops of Lismore #Waterford #otd

(National Museum of Ireland: Lismore Crozier photographed by jemartin03 on flicker)

28 Mar 1716: d. John Vesey Archbishop of #Tuam and first biographer & editor of the works of John Bramhall Archbishop of #Armagh #otd (eebo/SSxC)

27 Mar 1174: d. Gelasius [Gilla Mac Leic] abbot of #Derry, Archbishop of #Armagh remembered as 'Cenn Banba', #Ireland's head #otd (BM)

21 Mar 1625: James Ussher gets his letters patent for the archbishopric of #Armagh #otd just days before James I's death (JMcC) - the king's last bishopric granted before his own death on the 25th.

What Ussher didn't know is that he himself would die #otd 31 years later in 1656

12 Mar 1554: Title of Primate of All #Ireland restored to Archbishop George Dowdall of #Armagh #otd - Edward VI had given it to #Dublin in 1551 (BM)

3 Mar 1644: James Ussher Archbishop of #Armagh preaches on the 'Sovereign's power & subject's duty' at #Oxford #otd (JMcC) An ever topical subject

2 Mar 1595: d. John Garvey Church of #Ireland Archbishop of #Armagh #otd

From Murrisk Co. Mayo, he is buried in Christ Church #Dublin
(British Museum)

2 Mar 1615: James Ussher, future Archbishop of #Armagh, appointed Vice-Chancellor of #Dublin university #otd (Bodleian)

1 Mar 1641: James Ussher Archbishop of #Armagh joins an #English parliamentary committee examining ‘innovations in religion' #otd (Bodleian)

1 Mar 1653: Abraham Wheelocke, first professor of #Arabic at #Cambridge signs a proposal for a printed polyglot #Bible with Archbishop James Ussher of #Armagh and a number of others #otd (eebo)

1 Mar 1553: George Dowdall, former Crutched Friar, is provided to #Armagh by the Papacy & then re-instituted by Mary I in Oct 1553, he having been deprived by Edward VI (BM)

22 Feb 1565: Richard Creagh of #Limerick, the #Catholic Archbishop of #Armagh, interrogated in Tower of #London #otd by William Cecil (BM)

21 Feb 1609: John Bramhall future Bishop #Derry & Archbishop of #Armagh as well as being an Anti-Hobbes writer was admitted to Sidney Sussex College Cambridge #otd (SSC) I spent some time in his company, as it were

20 Feb 1516: John Kite, Archbishop of #Armagh attends the baptism of Princess Mary - later Queen Mary I - #otd at the #Franciscan house in #Greenwich (BM)

Interesting that the Archbishops of Armagh and Dublin were both there.

14 Feb 1641: Archbishop James Ussher of #Armagh begins a regular preaching stint at Covent Garden #London (till Nov 1642) #otd (NPG) - one of his main themes was, unsurprisingly, church reform.

8 Feb 1471: d. John Bole #Augustinian abbot of #Navan and Archbishop of #Armagh #otd (BM) His financial mismanagement left the diocese crippled with debts for decades.

29 Jan 1625: James Ussher #Dubliner nominated as Archbishop #Armagh #otd (Bodl)

Scholar, editor, chronologer (calculated creation of world to 23 Oct 4004 bc), historian of the early #Irish church. James VI & I’s last appointment.

28 Jan 1399: Richard Young, archdeacon of #Meath appointed #otd to consider the life & alleged miracles of Richard FitzRalph Archbishop of #Armagh.

FitzRalph has never been canonised, not least as he became a #Protestant pin-up in the 16th & 17thCs? (ParkerLibrary)

28 Jan 1588: Richard Creagh of #Limerick, #Catholic Archbishop of #Armagh buried in St. Peter ad Vincula in the Tower of #London #otd (British Museum)