1893 Born Düsseldorf, Germany.
1913 Exhibits in a group show at the opening of the Galerie Alfred Flechtheim, Düsseldorf.
1914 Exhibits in a summer group show at the Galerie Alfred Flechtheim (26. Juli - 12. September).
1915 Briefly attends the Volkskunstschule, Düsseldorf 1916 attends the Kunstgewerbeschule in Berlin
1915-1918 Serves in World War I. 1915: 5th reg. No. 144 “replacement force” field artillery division 1917-18 possibly stationed at Rosenheim wounded, hospitalized Dec. 6-19, 1917 in Munich released from duty 1918.
1919 November 23 to December 6, 1919, One Person Exhibit at the Galerie Alfred Flechtheim, Düsseldorf (“Fritz Claus, Kurt Lahs, Werke von Hans v. Marées)
1920s Marries and is divorced from Hadwig Temborius Dorsch travels to Holland, France, North Africa, Jugoslavia and Italy
1921 Member of the group The Young Rheinlȁnders, exhibition at the home of Mutter Ey.
1922 Group Exhibit: Grosse Berliner Kunstaustellung, im Landesausstellungsgebäude am Lehrter Bahnhof: Verein Berliner Künstler, Rheinische Abteilung, Novembergruppe, Bund Deutscher Architekten, 1922 (Illustration p. 51 “Harmonie in Rosa.”)
1922 “Das Junge Rheinland” within the exhibition “1e Internationale Kunstaustellung, Düsseldorf 1922.” (ref: Das Junge Rheinland: Kunstler - Werke - Documente, Düsseldorf: Galerie Remmert und Barth, 1996
1922 Watercolors by Kurt Lahs, Galerie Neue Kunst Hans Goltz, Munich
1927 Mention in Berliner Kunstblatt, 1927, p. 409.
1928-1929 Teaches at the Volkskunstschule, Dȕsseldorf
1929-1930 Director of the Academia de pintura y Esculera, Instituto de Bellas Artes, Medellin, Columbia
1930-1933 Professor at the Staatlichen Kunstschule, Berlin
1933 Dismissed from his teaching post by the Nazis, branded a "Degenerate Artist"
1933-34 Travels to and exhibits in Paris, reconnects with his student, Marianne Matthiae travels with her to St. Paul de Vence and Nice.
1934 Applies to emigrate to the United States, application denied returns to Germany, marries Marianne Matthiae in Dȕsseldorf
1935 Birth of daughter Angela.
1937 Leaves Germany again travels to, and exhibits in France, Yugoslavia and Italy.
1941, May 8, Son Christian is born in Prien am Chiemsee, Germany
1942 Is pressed into service (Reichsarbeitsdienst (RAD) as a painter, but is let go due to “anti-faschist behavior” and drafted into the German Army in 1943.
1943 Captured by American Troops, incarcerated in British POW camp. Loses most of the early work when the home in which paintings are stored at the Augsburger Str. 62, Berlin, is burned in a war bombing
1945 June Released from prisoner of war camp. Continues to work as an independent artist.
1946 Exhibits at Galerie Gerd Rosen and Galerie Brenner, Berlin.
1946 May 9-June 23, 1946 Group exhibition Kunstaustellung der Provinz Sachsen - Malerei - Plastik - Grafik, Stadtmuseum in der Moritzburg, Halle. Catalogue ill #145 “Figurliche Composition."
1947 Begins Position at the University in Halle, Germany.
1947 May 9 - June 29, Kunstaustellung 1947, Sachsen-Anhalt Malerei/Plastik/Graphik, Stadtmuseum in der Moritzburg, Halle, catalogue il. #168.
1947 Nov - Dec Exhibition Jahresschau Künstlerkreis Gerd Rosen, Galerie Gerd Rosen, Berlin.
1948 Begins a second position at the Hochschule für Bildende Künste, Berlin. Travels between jobs by train.
1948 May 2 - July 5 Städtischen Museum der Moritzburg, 86 painters including Curt and Marianne Lahs.
1948 May-June 1 Jahr Galerie Henning – Malerei und Grafik (Incl.: Bachmann, Barlach, Crodel, Ehmsen, Hofer, Kaus, Curt Lahs, Otto Müller, Orlowski, Partikel, Pechstein, Richter, Rödel, Ruthenberg, Rübbert,Saal and Winkler), Galerie Henning, Halle.
1949 Leaves teaching post at Halle after warnings from colleagues regarding new Communist government threat to him. He is also considered a degenerate artist by the communist government.
1950 Exhibition: Berliner Neue Gruppe, Charlottenburg Palace, group exhibit with Willi Baumeister, Erich Heckel, Gerhard Marcks, Ernst Nay, Karl Schmidt-Rottluff, Max Pechstein, Hans Hartung, Hans Uhlmann, and others.
1950 July 1 - 30 Gemälde und Zeichnungen von Kurt Lahs, Galerie Franz, Berlin
1951 March, Kunstamt Neukӧlln, Berlin, “Arbeiten von Kurt Lahs”
1951 Hochschule für Bildende Künste, Deutscher Kunstlerbund, in company with Willi Baumeister, Alexander Camaro, Otto Dix, Erich Heckel, Karl Hofer, Ludwig Meidner, Gabrielle Munter, Ernst Nay, Max Pechstein, Karl Schmidt-Rottluff, Hans Uhlmann and others.
1952 Jun - Aug. Exhibition: Deutscher Künstlerbund 2. Ausstellung - Berliner Neue Gruppe - Als Gäste die mittlere Generation der zeitgenössischen Maler Frankreichs, Staatenhaus, Köln.
1952 Kunstpreis Düsseldorf for work "Stahl und Eisen."
1954 Kunstpreis from the City of Berlin.
1956 Exhibits at the Rathaus Tempelhof, May 18 - June 10, 1956.
1957 Mar - Apr. Exhibition: Frühjahrsausstellung im Kunstverein Hannover , Kunstverein Hannover.
1958 June 11 - Dies in his sleep of heart failure.
1959 June Exhibition of works by Curt Lahs, Arbeiten von Curt Lahs, Galerie Brunsberg, Hannover.
1985 Feb - Apr Exhibition: Am Anfang: Das Junge Rheinland - Zur Kunst- und Zeitgeschichte einer
Region 1918–1945, Kunsthalle Düsseldorf (Catalogue Illustration, p. 233).
1992 Nov - 1993 Feb Exhibition: Curt Lahs zum hundertsten Geburtstag - Kubistische Figuration, Konstruktion,mikrokosmologische Abstraktion - Arbeiten aus vier Jahrzehnten, Galerie Bernd Dürr - München.
1993 Exhibition: Curt Lahs Retrospective exhibition, Berlinische Galerie, Berlin.
2002 Nov 15 - Dec 20 Exhibition: Curt Lahs, Lehr Berlin.
2013 Concrete–Minimalist–Conceptual, Works from the Collection of Stephan and Birgit Hupertz, Ernst Barlach Haus, Hamburg.
2016 2-Person Exhibition: Im Spiel der Formen: Curt Lahs and Heinrich Wildemann, Salon galerie “Die Möwe," Berlin.
2019 Aug - Dec Group Exhibition: Wiederentdeckte Moderne, Berliner Salongalerie “Die Möwe,” Berlin.
2020 Sept 27 - Feb 2021 Hölle & Paradies. Der Deutsche Expressionismus um 1918, Stadtmuseum Hofheim am Taunus, Germany