With the bank holiday weekend not far off, here's a reminder that the National Archives of Ireland (not to mention the National Library of Ireland and most other institutions in the Republic) will be closed to the public on Monday 29 October. (Full details.)
In addition, check your calendar if you're planning to visit the National Archives on Thursday 1 November; it will not open to the public until 2pm.
And looking further ahead, the annual media preview will close the Reading Room to the public on Wednesday 5, Thursday 6 and Friday 7 December. Only representatives of newspapers and broadcasting companies will be admitted on those dates.
Update (26 October 2012): The National Archives has announced another partial-day closure on Thursday 8
November. The public will not be admitted until 2.30pm; production of
documents will continue until 16.00.