| Y/M/D | Person | Association | Description | Composition | Food | Event |
|---|---|---|---|---|---|---|
| Y/M/D | Person | Association | Description | Composition | Food | Event |
| 1618/00/00 | Londonderry city walls are completed in 1618, the walls are up to 26 feet high and 35 feet thick with watchtowers and cannons. | Invention of the Cannon |
| Particulars for Derry Town Walls: | |
|---|---|
| Area of Significance | Engineering |
| Sight Category | Structure |
| Structure Type | Wall |
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