Can you give me a list of Kirby vacs models & the year they were released so that I know how old they are?

1935 KIRBY Model R*
19?? KIRBY Model 2R
19?? KIRBY Model 3R
19?? KIRBY Model 4R
19?? KIRBY Model C
1939 KIRBY Model 2C
19?? KIRBY Model 3C
19?? KIRBY Model 4C
Model 505 - 1945
Model 508 - 1948
Model 509 - 1949
Model 510 - 1950
Model 511 - 1951
Model 512 - 1952
Model 513 - 1953
Model 514 - 1954
Model 515 - 1955
Model 516 - 1956
Model 517 - 1957
Model 518 - 1958
Model 519 – 1959
Model 560 - 1960
Model 561 - 1961
Model 562 - 1962
1963/64 Sanitronic VII (Sirocco)
1965-67 Dual Sanitronic 50 (Sirocco)
1967-70 Dual Sanitronic 80 (Avocado green)
1967-70 Dual Sanitronic 80 (Avocado green)
1970-73 Classic 1CR (Medium brown, gold bag)
1973-76 Classic Omega 1CB (Dark brown, dark brown pinstriped bag)
1976-79 Classic III 2CB (Candy-apple red, plaid bag)
1979-81 Tradition (Dark blue; intro of paper bag)
1981-84 Heritage (Gray/orange)
1984-89 Heritage II Legend (Charcoal/gray/red)
1989-90 Legend II (Dark rose-pink)
1990-93 Generation 3 (Alabaster)
1993-96 Generation 4 (Medium gray)
1996-99 Generation 5 (Maroon)
1999-01 Generation 6 (Black/Yellow)
2002-05 Kirby Ultimate G
2005-06 Kirby Ultimate G Diamond

http://www.vacuumwizard.com/history-of-kirby-vacuum-cleaners.html