Trinity College Dublin started offering the MBA degree in 1964 (before LBS and Manchester).
This is a one year program divided into 5 modules.
http://www.tcd.ie/Business_Studies/Mba/ ... tails.html
FT2005 ranked Trinity College Dublin #98 worldwide- near Bath, Edinburgh, and Birmingham. FT 2003 ranked it #86 ahead of UCD Smurfit and Durham.