1997 - Latvia ratifies the UNESCO Convention on the Protection of World Cultural and Natural Heritage, the idea of nominating Kuldīga for the UNESCO World Heritage List arises.
2001 – The municipality of Kuldīga submits a report to the Latvian National Commission for UNESCO on the desire to start work on the preparation of the Kuldīga nomination together with the National Cultural Heritage Administration.
2004 - The nomination of Kuldīga to the Latvian national list of UNESCO World Heritage was submitted and approved.
2011 - The UNESCO LNK Assembly reconfirms the nomination of Kuldīga in the Latvian national list of UNESCO World Heritage and sets the conditions for the preparatory work, so that the nomination could be submitted to the UNESCO World Heritage List in the future.
2021 – Latvija UNESCO Pasaules mantojuma sarakstam nominē Kuldīgu, iesniedzot UNESCO Pasaules mantojuma centram sagatavoto nominācijas “Kuldīga/Goldingena Kurzemē”
2023 – A positive decision of the experts of the International Council of Landmarks and Monuments (ICOMOS) was received regarding the inscription of Kuldīga's nomination into the World Heritage List, which is a recommendation for the vote of the members of the UNESCO World Heritage Committee. It is recommended to expand the territory to be included in the nomination, the scope of historical stages and change the name to "Kuldīga Old Town."
2023 – 17. September, the 45th session of the UNESCO World Heritage Committee in Riyadh, Saudi Arabia, makes decision on the inscription of the Kuldīga Old Town to the UNESCO World Heritage List