1899, 22 February – Dechko Uzunov was born in the city of Kazanlak to Lala and Hristo Uzunov.
1918 – Graduated from First All-male High School in Sofia.
1919, 17 September – Was admitted to the School of Art and Industry where he studied under Prof. Petko Klisurov.
1922–1923 – Trained at the studio of Prof. Karl von Maar at the Munich Academy. During this period he painted portraits of Nikolay Liliev, Elisaveta Bagryana, Nikola Mihov, Masha Zhivkova, etc.
1923 – Returned to Bulgaria to continue with his studies under Prof. Stefan Ivanov.
1924, 15 July – He completed a special course in painting.
1925 – Became a member of the Native Art Association.
1926–1931 – Presented artworks of his at a Native Art Association exhibition (1926), the First (1927), Second (1928), Third (1929), Fourth (1930), and Fifth (1931) Group Art Exhibitions.
1932, 25 September – Presented a solo exhibition at the Aksakov Gallery. The exhibition was opened by Ivan Lazarov.
1933, September – Participated in a representative painting exhibition in Belgrade at the Cvijeta Zuzorić pavilion together with Nikola Marinov, Sirak Skitnik, Boris Denev, Bencho Obreshkov, and Iliya Petrov. Uzunov’s work Aloe (oil on canvas, 62 cm х 51 cm, catalogue № 771) was purchased by the National Museum in Belgrade where it is kept to this day.
1934–1938 – Dechko Uzunov took a trip to Greece (1934) which resulted in the creation of a series of works reflecting his impressions of the trip. He also travelled to Romania (1936) and Italy (1937). He participated in the Ninth (1935) and Tenth (1936) Group Art Exhibitions. He presented works of his at a Native Art Association exhibition (1936), and participated in exhibitions of artwork by Bulgarian artists in Prague (1936), Pilsen (1936), and New York (1938). He had a solo exhibition in Belgrade (1936). Uzunov undertook to design and decorate the Bulgarian pavilion at the Paris International World’s Fair (1937). He became extraordinary professor in applied arts at the Academy of Fine Arts in Sofia (1937).
1939 – A new statute of the Union of Artist Associations in Bulgaria was adopted. Dechko Uzunov was chair of the union until 1940.
1943 – Designed the Bulgarian pavilion for the Izmir International Fair, Turkey.
1945–1950 – Dechko Uzunov was rector of the Academy of Fine Arts in Sofia.
1952–1957 – Dean of the Faculty of Fine Arts at the Nikolay Pavlovich Higher Institute of Visual Arts.
1953 – Delegate to the National Peace Committee, Prague.
1957–1959 – Director of the Nikolay Pavlovich Higher Institute of Visual Arts.
1958 – Dechko Uzunov traveled to China together with Veselin Staykov.
1965–1970 – Chair of the Union of Bulgarian Artists.
1976 – Attended the 8th congress of UNESCO’s International Association of Art (IAA/AIAP) in Baghdad. He was chair of the association until 1978 when he became honorary president.
1978 – Awarded the honorific tittle of academician by the Bulgarian Academy of Sciences.
1980–1985 – Uzunov had solo exhibitions in Basel (1980), Moscow (1981), Bucharest (1982), and Kuwait (1985).
1986, 26 April – Dechko Uzunov passed away in his studio in Sofia.

References: Fileva, Adelina and Irina Genova. Dechko Uzunov. Remembrance and Oblivion. Sofia, 2003, 232–289.