The 28th Sanmarinian University Session (SUS 28) of the AIS San-Marino took place in August 2005 (2005-08-21 / 28) in the Bulgarian town of Karlovo.
The conference programme, most of it in ILo (Internacia Lingvo Esperanto), was held in the rooms of the "Internacia Universitato Karlovo", a private university. A report (with pictures) is available in ILo.