1959: - Publication of his booklet, “Tabiatı Koruma” (The Preservation of Nature). It was the first on this subject based on foreign language sources.

- In this year he began his mandatory National Service.

1960: - The first doors began to open for Sub-Lieutenant Gülersoy and his chosen career during his National Service. He did a one year stint of service at the General Staff History Section of the War Department and was nominated to a Committee of Three, in the company of two generals, to supervise the publication of an official account of the Military Coup of May 27th 1960.

-The completion of his National Service was followed by his Legal Apprenticeship and his pioneering of a totally revamped system of procedures at the Touring Association.

1961: - Publication of the first scientific tourism study in Turkish, “Sosyal Turizm” (Social Tourism), which was based on foreign language sources.

-He made his first trip abroad to attend an international conference (Traffic Law, Perugia).

1962: A second study on similar topics. “Seyahat Acentalığı” (Tourism Agency).

1964: A third study of the same nature: “Türkiye’nin Turizm Propagandası“ (Turkey’s Tourism Propaganda).

1965: - He began collecting engravings and photographs to serve as a base for the foundation of the “Istanbul Archive”.
-Reorganization of the original, National Turkish Touring and Automobile Association. His promotion to manager of the same. He began alterations to the regulations, reform of staffing policies and supervised acquisition of the new head office building at 364 Şişli Square.

1966: - He commenced publication of the first Istanbul Tourist Guide in four languages. This tourist guide, which was written by a Turk and describes Istanbul from a Turkish point of view, remained on sale, continuously, for fifteen years.
-He began publication, for the first time in Turkey, of guide books, in foreign languages about museums and famous ceremonial sites. These were illustrated with colourful prints.” The series, “Library of Turkey” was compiled from these publications.

1967: - Traffic direction signs, designed after the Dutch pattern, were installed in Istanbul. These were the very first in Turkey.
-He introduced the provision of a Highway recovery and breakdown service staffed by foreign language-speaking drivers. This was another “first in Turkey” achievement.
-He began to provide assistance and financial support to museums and archaeological digs on a regular, annual basis.

1968: -He pioneered a series of annual conferences on history and art subjects.
-He constructed the first Tourist Information Office, giving service in four languages, at the entrance to a Turkish city motorway.
-He printed the first foreign language museum exhibit stickers to be seen in Turkey.

1970:- He published “Türk Toplumu ve Turizm” (Turkish Society and Tourism), a study available in either Turkish or English versions.
-Published “Trafik Sorunumuz Üzerine Düşünceler” (Thoughts on Our Traffic Problem), a study.

1971:- A contract was signed with the Ministry of Finance and Customs which was to earn a sizeable income for the Association and provide a valuable source of foreign currency for the state.
This contract redefined the triptyque (temporary entrance card for customs) regime and simplified it.
-“Çağlar Boyunca İstanbul Görünümleri: 1” (Views of Istanbul through the Centuries:I ), (Galata and its Bridge), studies, were published during this year.

1972: - He began publication of the “Famous Foreign Books on Istanbul” series, introducing authors like Lamartine, Gautier and Nerval to Turkey for the first time.
-Opening of “Bosphorus That Should be Preserved” exhibition and publishing of its catalogue.

1973: - Publication of the Tophane-Kabataş study from “Istanbul, à travers les Epoques: II” (Istanbul, through the Centuries: II).

1974:- Embarked upon redesigning the surroundings of Kariye Museum and organizing benefit events for the museum for the first time.
-Publication of the first “Kariye” study in three languages.
-A crisis that was to last three years erupted, caused, at least in part, by the Association’s sudden, and unfamiliar increase in income. A series of court cases, acrimonious debates and denunciations were to take place vis-a-vis Dr. Eczacıbaşı and his team.
-The Koru Hotel on the Ankara-Istanbul motorway was purchased (in its first small version). It was to be expanded in 1977 as a positive result of reconstruction after a disastrous fire.
-Purchase of the larger villa in Safranbolu and initiating the hotel project.
Management of the Association became vested in the Court Mission in this year.

1975:- Gülersoy’s directorship was confirmed in compliance with the decision of the trial jury after a three year period of imposed uncertainty.
-He started production of coloured, documentary serials for television and cinema and received awards for them. (Producer: Suha Arın).
-He repaired the historic cemetery at Ayrılık Çeşmesi (Fountain), Üsküdar-Karacaahmet, collecting the historic gravestones in the area, repairing hundreds of them and re-setting them.
-He restored the historic Kandilli cemetery and re-forested it.
-A partial repair of the Talat Paşa Pavillion in Sultanahmet (police headquarters) and its historic interior decoration was undertaken.

1976: Various services at border crossings began to be provided.

-He was decorated with the “Cavaliere” insignia by the President of Italy.

1977: Re-elections at the Association. Clear victory for Gülersoy’s list this time. End of the juridical period. Starting of major art projects.
-Rebuilding of the Kapıkule Customs building. Within five years this primitive, rundown residential area was transformed into the best equipped border crossing in Europe.
-He started landscaping Yıldız Park.
-Restoration of Bâbı-Ali.
-Assistance was given to Galata-Mevlevîhane (Galata- House of the Mevlevis). The landscaping of its garden was undertaken.
-Opening of the new, larger Koru Hotel; rebuilding work having been completed.

1978:-Purchase of the Reji Nazım Pavillion in Sultanahmet and commencement of a Project to turn it into a hotel. Its outer appearance was preserved and the interior decorated as befitted a 19th century pavillion.
-Publication of “Boğaziçi, Sorunlar ve Çözümler” (The Bosphorus, Problems and Solutions) (2nd edition: 1982), a study.

1979:-He began some internationally-lauded restoration projects in Istanbul:
The Malta Pavillion in Yıldız Park and the Yellow Pavillion (Sarı) in Emirgân Park were restored within four months, furnished with antiques and opened to the public as tea-rooms and gardens. In Yıldız Park, the first project was the furnishing of the Tent (Çadır) Pavillion and the installing of appropriate equipment of its garden prior to its opening to the public.
-The Malta Pavillion restoration operation received a Certificate of Appreciation and the “Europa Nostra” medal from Europe (the first award of its kind to be presented to Turkey).
-A Plaque of Honour was presented by the Turkish Ministry of Culture.
-Publication of the “Kapalı Çarşı’nın Romanı” (The Story of the Covered Bazaar) a study, which won the Simavi Foundation Award.
-Publication of the “Yıldız Parkı ve Malta Köşkü” (Yıldız Park and Malta Pavillion” a study.
-Gülersoy was invested with the Order of Merit by the President of France.

1980: -He built the facilities on “Büyük (Great) Çamlıca”. As a result, Çamlica, “shone like a beacon of peace, prosperity and love, even in this, a sadly anarchic period in Turkish history.”
-Publication of the “Lale ve İstanbul” (The Tulip and Istanbul) a study.
-Publication of the “Story of the Grand Bazaar” a study (2nd edition: 1990)

1981: - Publication of “Eski İstanbul Arabaları” (Old Istanbul Automobiles), a book.
-State Opening of the Kapıkule Customs building from which ceremony the Association was excluded.

1982: -Publication of the “Çamlıca’dan Bakışlar” (Glimpses from Çamlıca), an album.
-Restored Tevfik Fikret’s house, “Aşiyan”, landscaped its extensive garden and published the first brochure about the house itself.
- Restored and re-decorated the Tent (Çadır) Pavillion and opened it to the public.
- Built and equipped the “Tanzimat (Administrative Reforms) Museum in Gülhane Park.

1983: - Restored and re-decorated the White (Beyaz) and the Pink (Pembe) Pavillions in Emirgan Park and opened them to the public,. Established the performance of classical music concerts at the White Pavillion.
-Publication of “Ihlamur Mesiresi” (The Ihlamur Promenade), a book.
-Publication of “Kayıklar” (Boats), a study.
-Publication of “İstanbul Estetiği” (The Aesthetics of Istanbul),a book.
-Publication of “Le Roman du Grand Bazaar” (The Story of the Grand Bazaar”, a book.

1984: - He finished building work at the Sultanahmet Pavillion (the Green House) and opened it to the public. This marked the beginning of a period of improvements to the district, which had become a hippy colony, and the raising of it to an acceptable international standard.
- Restoration and decoration of the Khedive’s Summer Mansion (Hıdiv Mension) and improvement to its surroundings, followed by its opening to the public.
-Publication of “İstanbul’un Anıtsal Ağaçları” (The Monumental Trees of Istanbul), a book.
-Publication of “Çağlar Boyunca İstanbul Görünümleri III. Dolmabahçe” (Istanbul Views through the Centuries III. Dolmabahçe”, a study.

1985: -Construction of an Ottoman-style pavilion, on Municipality land, opposite the Kariye Museum. Closure of this square to traffic. Completion of restoration of neighbouring houses, afforestation and planting of flowers. This comprehensive, “whole neighbourhood” project was the first example of its kind in Turkey.
-Publication of “Hıdivler ve Çubuklu Kasrı” (Khedive and Çubuklu Mansions), a study.
-Publication of “Hotel d’Angleterre”, a study.
-Publication of “Küçüksu” album.
-Publication of “Reklamlar ve Biz” (Advertisements and Us), a study
-Resurrection to working life of the “Kavasbaşı Ahmet Ağa Fountain” in Çengelköy Square.

1986: - Honorary doctorate from Black Sea University.
-Honorary doctorate from Bosphorus University.
-Completion of restoration work to Soğukçeşme street and its opening to the public by the Governor of Istanbul.
-Restoration of the Roman Cistern and its opening as a typical Roman Tavern.
-Completion of repairs to the historical, but ruined Cedid Mehmet Efendi madrassa next to Villa Sultanahmet and its inauguration as “İstanbul Sanatları Çarşısı” (Istanbul Works of Art Bazaar). It was the first of its kind.
-Publication of “Istanbul Şarkısı” (The Istanbul Song).
-Publication of “Taksim”, a study.
-First publication of “Soğukçeşme Sokağı” (Soğukçeşme Street).
-Revitalization of the “Hattat Beşir Ağa Fountain” in Sultanahmet Square.

-Collection of signatures in favour of Çelik Gülersoy under the leadership of Mrs. Hacer Gündoğdu of Cağaloğlu as a riposte to attempts, by certain parties, to prevent his work. On the 9th of May, in the presence of an invited audience of writers, the bound, original of this protest petition was exhibited in the Green House.

1987: -Completion of the office layout and building of the Istanbul Library.
-Founding of, and starting the enlargement of, the Centre of Technical and Touristic Services (Teknik ve Turistik Hizmet Merkezi) on the, approximately, 18 acres of land to the rear of Kapıkule Customs. Commencement of expansion to such facilities as far as Ankara road.
-Publication of “Göksuya Ağıt” (Lamentation for Göksu).
-Financial help granted by the Association for the repair of the “Soğukkuyu” Madrassa, above Soğukçeşme street, built by the famous architect Sinan.

1988: Establishment of a foundation to undertake the restoration of many houses and gardens in Zekeriyaköy, a village of Istanbul.

1989: -Publication of “Tramvay İstanbul’da” (The Tramway in Istanbul) study.
-Publication of “Kırk Yıl Olmuş” (It Has Been Forty Years) (Memoirs), a book.

1990: Landscaping and development of the Fenerbahçe peninsula.

-A sudden change in the triptyque (temporary entrance card for customs) régime on the orders of Adnan Kahveci, the then Finance Minister, caused a cut in the Association’s principle source of income.
The effect on Turkey was to be the smuggling of Mercedes automobiles into the country. The immediate effect on the Association was, that it was compelled to sell the Koru Hotel in order to be able to pay seniority allowances and progress payments on the Fenerbahçe Construction Project, which was already in progress and could not be postponed.

-Publication of “Mavi Cami” (The Blue Mosque), a study.
-Publication of “Beyoğlu’nda Gezerken” (Strolling in Beyoğlu).
-Publication of “Nasıl Bir İstanbul?” (What kind of an Istanbul?).
-Publication of “Dolmabahçe Palace and its Environs”, a study.
-Opening of The Safranbolu Pavillion as a hotel. First presentation of an
Anatolian-style hotel to the public.

1991: -“Letter of Thanks from the City” Presentation Ceremony conducted by the Municipality of Istanbul at the Open Air Theatre.
-Publication of “The Caique”.
-Resurrection of the Mehtabiye, or what was left of it after the passing of The Feneryolu Ahmet Muhtar Paşa Pavillion, as a park, and the opening of a café there.

1992: -Landscaping of Büyükdere Park and the naming of it after Çelik Gülersoy (The decision to so name it was cancelled in 1997).
-One of the main streets in Safranbolu was named after Celik Gülersoy.
-Publication of “Çırağan Sarayları” (Çirağan Palaces), a study.
-Publication of “Çirağan Palaces”, a study.
-At the end of this year, the President of France stayed at the Green House Hotel and offered his congratulations on the work that had been done. It was an interesting and memorable occasion.

1993: - Building and furnishing of the last building in Soğukçeşme Street, the Guest House (Konuk Evi), which was opened in the spring of 1994.
-Publication of “Tepebaşı, Bir Meydan Savaşı” (Tepebaşı, A Field War) by the Municipality.
-Publication of “The Khedives and the Çubuklu Summer Palace”.
-Resusscitation of the Sarıyer Fountain.
-Publication of “Kız Kulesi Kitabı” (The Book of the Maiden’s Tower), a study.

1994:-Sale of the Association’s building in Şişli, after 29 years as the Association Headquarters: a direct result of the creation of a huge tax liability caused by a change in case law promulgated by the Council of State.
Purchase of land in Maslak from the Treasury. Landscaping of said land and the location of the Association’s services thereat. Ten hectares of this land was planted with trees.
-Premature cancellation of short-term contracts by the Municipality of Istanbul. These contracts were for initial repairs to the parks on the Bosphorus and the continuous maintenance of the pavillions in those areas. The validity of these contracts expired during Prof. Sözen’s era and was not renewed, but was automatically extended for a one year period. The whole matter was brought to an abrupt, short notice conclusion under the jurisdiction of Tayyip Erdoğan and the Fazilet Partisi (Virtue Party) government. The reluctant vacation of all the beautifully restored buildings, one-by-one, during the first four months of 1995 was, for Gülersoy and the Association, like the sad re-winding of a fairytale film.

1996: -Gülersoy’s mother died. This was his greatest sorrow.
-Publication of “Ayrılış” (The Separation) poems.
-Commencement of a project to integrate Prince’s Island (Büyükada) with Istanbul tourism. Publication of various suggested plans. No:55 Çankaya Street, Büyükada, was purchased and restored to kick-start this initiative. Grants were made to Prince’s Island.
- These grants were made to: the Police Station, the Deed Office, and various street buffets. Sixty local-style, pony traps were restored as examples of their kind. The total number of these vehicles to be repaired, in fact, reached 110, if those repairs undertaken in previous years are taken into account.

1997:-Poetry book “Hüzün Yağmuru” (The Rain of Grief)
-Publication of “Büyükada/Yesterday”, a study with art photos.
-Publication of the book/album, “Safranbolu”.

1998:- Total repair and restoration of the 120 year-old, ruined, brick and stone-built Villa Fabiato in Büyükada, and the complete re-landscaping of its gardens. It was opened as a library, concert hall and café and named “Kültür Evi” (The Culture House).
-Gülersoy received an Honorary Doctorate from the Anatolian University (Eskişehir).
-Publication of “Büyük Çamlıca Tepesi” (The Great Çamlıca Hill), a book.
-Publication of “Fenerbahçesi”.

1999: -Conversion of the area near the Naziki Tekke (a dervish lodge) in Sultanahmet into “Saray Café” (The Palace Café).
-Publication of “Yeşil Ev-Establishment of a Natural Foods bazaar in Fenerbahçe Park, the collection of natural products and their sale to the public.
-Publication, by the Türkiye Sinai Bank, of the book “Cumhuriyetin Devraldığı İstanbul’dan Bugüne” (Istanbul: from the Foundation of the Republic until Now).
-Publication of “Beyoğlu’nun-Yitip Gitmiş-Üç Oteli” (Beyoglu’s Three Hotels: Victims of Time.), a book.

2000-“The Great Art and Culture Award” for the year 2000 was presented to Gülersoy by the Ministry of Culture.
-“Cevizli Konak” (The Walnut Villa) in Safranbolu was opened as a hotel.
-Gülersoy’s name was lauded among the “First 500 Most Distinguished Europeans” by an American encyclopaedia.
-Publication of the “Bâb-ı Âlî”, a study.
2001: -Publication of “Büyükada Yetimhanesi” (The Büyükada Orphanage), a book.
-Redesign of Büyükada wharf and its opening as “Turing Café”.
-Publication of “Çankaya 57”, a book.
-Reorganization of the Büyükada Automobile Square and establishment of a Control Center.
-Publication of the “Çelik Gülersoy Album”.
-Building of a new café near “Romantika” in Fenerbahçe Park.
-Publication of “A.Şinasi Hisar”, a book.
-Publication of “Soğukçeşme Sokağı (Soğukçeşme Street)”, a book.

2002 – Repair of the old Bebek Wharf and its opening as “Bebek Turing Café”.
-Publication of “Atatürk-Atatürk”, a book.
-Publication of “Soğukçeşme Street”, a book.
-Publication of “Atatürk Albümü” (The Atatürk Album).

2003 – Publication of “Bir Masal” (A Fairy Tale).
-Publication of “Beyoğlu’nda Gezerken” (Strolling in Beyoğlu).
-Publication of “Pierre Loti et Son Istanbul” (Pierre Loti and His Istanbul), a study.
-Publication of “Istanbul Kılavuzu” (The Istanbul Guide).