Nikon and Canon DSLR timelines

Source : http://en.wikipedia.org/wiki/Template:Nikon_DSLR_cameras

Nikon Digital SLR timeline
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 Flagship High res. D1 D1X D2X D2Xs D3X High speed D1H D2H D2Hs D3 High-end Full frame D700 DX sensor D100 D200 D300 Midrange D70 D70s D80 D90 D5000 Entry-level D50 D40x D60 D40 Green background indicates a camera using a full-frame FX Sensor

Source : http://en.wikipedia.org/wiki/Template:Canon_DSLR_cameras

Canon EOS Digital SLR timeline
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 Flagship Full 1Ds 1Ds Mk II 1Ds Mk III APS-H 1D 1D Mk II 1D Mk II N 1D Mk III High-end Full 5D 5D Mk II APS-C D30 D60 10D 20D 30D 40D 50D Astrophoto 20Da Midrange 300D 350D 400D 450D 500D Entry-level 1000D