| 1480 |
First mention of settlement in Caledon |
| 1498 |
Lord-Deputy Kildare marched against Mac Art O'Nial in his strong hold
in Kennard - the strong hold is given to Tirlagh O'Nial |
| 1614 |
Caledon allocated to Catherine Ny Neill |
| 1619 |
Tirlagh O'Nial builds a bawn of lime and stone near which he erected
a castle |
| 1641 |
Aghaloo church destroyed |
| 1641 |
Sir Phelim makes Lord Caulfield a prisoner at Kennard in the castle of
which he put his lordship to death |
| 1642 |
Dromorragh, the residence of Sir Feilim O'Neill is burnt |
| 1666 |
Hearth money roles records six British hearth owners in the town |
| 1738 |
Caledon Estate is acquired by the Earls of Cork and Orrery by marriage
from the Hamilton family |
| 1767 |
Church at Aughaloo is erected by Primate Robinson - the spire is later
added by the then Lord Caledon |
| 1776 |
Parochial school built |
| 1776 |
Caledon Estate bought from the Earl of Cork for £94,400 by James Alexander
(later first Earl of Caledon) |
| 1790 |
James Alexander (later first Earl of Caledon) is made Baron Caledon |
| 1797 |
James Alexander (later first Earl of Caledon) is made Viscount Caledon |
| 1800 |
Earldom of Caledon is created |
| 1801 |
The Earl of Caledon is 30th in order of precedence in Ireland |
| 1802 |
James Alexander (first Earl of Caledon) dies |
| 1805 |
Roman Catholic Chapel erected in townland of Derrygooley |
| 1806 |
Extensive renovations start on Caledon House |
| 1807 |
The living is made a perpetual curacy |
| 1811 |
Renovations on Caledon House completed |
| 1822 |
Courthouse erected at cost of 3000 pounds |
| 1823 |
Roman Catholic Chapel considerably enlarged |
| 1823 |
Flour mills erected by Lord Caledon |
| 1824 |
Seceding Presbyterian meeting house erected at cost of 300 pounds |
| 1827 |
John Foster McCreight (British Columbias' first Premier) is born in Caledon |
| 1831 |
Presbyterian Meeting House in townland of Lesmulladown started |
| 1831 |
Population reaches its highest point at 1079 |
| 1834 |
Wesleyan Methodist chapel erected at cost of 108 pounds |
| 1835 |
There are 120 houses in the village of Caledon |
| 1835 |
More renovations carried out to Caledon House |
| 1839 |
Du Pre Alexander (second Earl of Caledon) dies |
| 1840 |
Footbridge at Glenarb is built |
| 1842 |
Caledon contains 226 stone houses and is regarded as one of the best
built towns in the North of Ireland |
| 1855 |
James Du Pre Alexander (third Earl of Caledon) dies |
| 1860 |
Caledon Estate is approximately 13,789 ha (34,064 acres) and valued a £22,321 |
| 1860 |
Earl of Caledon owns 82% of Caledon |
| 1897 |
James Alexander (fourth Earl of Caledon) dies |
| 1942 |
US Army units arrive in Caledon for training exercises in preperation
for action in North Africa and Italy |
| 1944 |
Last company of US Army units leaves Caledon (April) |
| 1968 |
Eric James Desmond Alexander (fifth Earl of Caledon) dies |
| 1980 |
Denis James Alexander (sixth Earl of Caledon) dies |
| 2002 |
Caledon Estate is approximately 972 ha (2,400 acres) |