The Ulster Canal begins at Charlemont on the river Blackwater, near its junction with Lough Neagh, proceeding through the western border of the county, and passing thence to the south-west by Monaghan and Clones into Upper Lough Erne, after a course of 48 m.
Armagh, together with Louth, Monaghan and some smaller districts, formed part of a territory called Orgial or Urial, which was long subject to the occasional incursions of the Danes.
It includes the counties Donegal, Londonderry, Antrim, Fermanagh, Tyrone, Ca van, Monaghan, Armagh and Down.
By Monaghan and Tyrone.
In August 1539 Manus O'Donnell and Conn O'Neill were defeated with heavy loss by the lord deputy at Lake Bellahoe, in Monaghan, which crippled their power for many years.
Ireland is divided territorially into four provinces and thirtytwo counties: - (a) Ulster (northern division): Counties Antrim, Armagh, Cavan, Donegal, Down, Fermanagh, Londonderry, Monaghan, Tyrone.
In the districts of the Old and New Red Sandstone, which include the greater part of Cork and portions of Kerry, Waterford, Tyrone, Fermanagh, Monaghan, Mayo and Tipperary, the soil in the hollows is generally remarkably fertile.
The new kingdom was composed of the present counties of Meath, Westmeath and Longford together with portions of Monaghan, Cavan, King's Co.
At the beginning of the 4th century the three Collas founded the kingdom of Oriel (comprising the present counties of Armagh, Monaghan, north Louth, south Fermanagh) and drove the Ulidians into the eastern part of the province.
By Monaghan and S.W.
Winter classes for boys over sixteen years of age are held at centres in some counties, and there are winter schools of agriculture at Downpatrick, Monaghan and Mount Bellew (Co.
Monaghan, to co-operate with the ribbonmen, and its membership seems to have been confined to the very lowest classes.