| Riga 1: |
Riga 1: |
| − | {{BrandCrono}} | + | {{BrandChrono|Columbus}} |
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| − | | 1918 || Birth of ''Alfredo Verga dei Fratelli Verga'' and start of [[Columbus]] fountain pen production
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| − | | 1922~ || (guess date<ref>just refers to first half of '20s</ref>) Introduced the [[Columbus 670]] model
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| − | | 1924 || The [[Columbus]] trademark is registered
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| − | | 1927 || The ''Alfredo Verga dei Fratelli Verga'' is closed, ''Eugenio Verga'' continue production on its own
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| − | | 1929 || A filling system analogous to the [[spoon filler]] is patented
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| − | | 1929 || Introduced the [[Columbus Extra]] line of pens and the use of celluoid
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| − | | 1931 || Introduced the [[streamlined]] version of the [[Columbus Extra]] line
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| − | | 1934~ || (guess date<ref>just refers to first half of '30s</ref>) Introduced the [[Columbus 3x|30]] line
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| − | | 1935 || Introduced the [[Columbus Extra Faccettata|faceted]] version of the ''Columbus Extra'' with [[lever filler]]
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| − | | 1935 || Introduced the arrow clip
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| − | | 1936 || Activities moved into the new headquarters of Via Lamarmora in Milan
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| − | | 1936 || Introduced the [[Columbus 55]] model
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| − | | 1937~ || (guess date<ref>just refers to second half of '30s</ref>) Introduced the [[Columbus 112]]
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| − | | 1938 || Introduced the [[Columbus 10x|100]] line with [[piston filler]]
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| − | | 1940? || Introduced the [[Columbus 25]]
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| − | | 1941 || Introduced the [[Columbus 29]]
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| − | | 1942 || Milan plants destroyed by bombing, production moved to Lesa
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| − | | 1946 || Production restarts in Milan in the Via Lamarmora factory
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| − | | 1946 || Introduced the [[Columbus 13x|130]] line (or 1948?)
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| − | | 1947~ || (guess date<ref>just refers to second half of '40s</ref>) Introduced the [[Columbus 5x|50]] line
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| − | | 1949~ || (guess date<ref>just refers to end of '40s</ref>) Introduced the [[Columbus 40]]
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| − | | 1951 || Introduced the [[Columbus 90]] line
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| − | | 1952~ || (guess date<ref>just refers to first half of '50s</ref>) Introduced the [[Columbus 70]]
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| − | | 1955~ || (guess date<ref>just refers to second half of '50s</ref>) Introduced different plastic [[Columbus Anni '50|models]]
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| − | | 1957 || ''Eugenio Verga'' death, ownership pass to his son Enrico
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| − | {{TabEnd}}
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