1980 An exhibition of Kotcha’s works open in the Artist’s House of Armenia.
1989 An exhibition dedicated to Kotchar’s 90th birthday anniversary opens in Paris at K. Pasmajian Gallery.
1990 The ASSR Institute of Arts of the Academy of Sciences organizes scientific session dedicated to Kochar’s 90th birthday anniversary.
1991 Kochar’s “Painting in Space” kept at Paris Pompidou Centre is exhibited at the exhibition ‘‘Antiguitat/Modernitat en l’art del segle XX’’ organized byFundació Joan Miró I Olimpiada Cultural’’ in Barcelona. Main organaizer: Gladys Fabre
1998-1999 Kochar’s “Painting in Space” kept at Paris Pompidou Centre is exhibited at the international mobile exhibition ”Forjar el Espacio. La escultura forjada en el siglo XX” (the Major Canary Islands, Valencia and Kale) Christian Perazone publishes an article on Kochar in the trilingual catalogue.
2002 Personal exhibition within the framework of “Armenian Culture Week” in Aby Dhabi.
2010 Jubilee exhibition “I Rely on Time” dedicated to Kochar’s 110th birthday opens in the Artist’s House of Armenia.
In the State Pushkin Museum of Fine Arts in Moscow opens exhibition “Two colors of the rainbow – two destinies reflection…” in which were included Kochar’s two works from series “Painting in Space”.
2012 Exhibition “ArtMonaco-Expo”, sponsored by the royal family of Monaco, the Painting in Space “First Sin” (1927) is awarded with main prize “Prix de l’excellence” in nomination “Baroque” as the work having considerable influence on development of Art of 20th century.
An exhibition called “The Diaspora of the Armenian Book 1512-2012”, opens at Special Collections of the University of Amsterdam Library in which were included Kochar’s “Voskan Erevantsi” and the Painting in Space “Yerevan-Erebouni”.
2013-2014 An exhibition called “Modernités Plurielles 1905- 1970” (“Plural Modernities from 1905 – 1970”) opens in October at Modern Art Museum (Centre Georges Pompidou) in Paris in which was included Kochar’s painting “Eastern Women”.