1474 – Donegal Castle, Co. Donegal
The castle consists of a 15th century rectangular keep with a later Jacobean style wing. The complex is surrounded by a 17th century boundary wall,
1935 – Church of the Four Masters, Donegal, Co. Donegal
Architect: Ralph H. Byrne
Construction started in 1931 on this Irish-Romanesque church to designs by Ralph Henry Byrne (1877-1946) and it was built between 1931 and 1935.
