Here’s the launch date list
GBA
Release date
JP: March 21, 2001[2]
NA: June 11, 2001[1]
EU: June 22, 2001[3]
CHN: June 8, 2004
GBA SP
Release date
JP: February 14, 2003[1]
NA: March 23, 2003[2]
PAL: March 28, 2003[3]
DS
Release date
NA: November 21, 2004
JP: December 2, 2004
AU: February 24, 2005
EU: March 11, 2005
DS Lite
Release date
NA: November 21, 2004
JP: December 2, 2004
AU: February 24, 2005
EU: March 11, 2005
3DS
Release date
JP: February 26, 2011[2]
EU: March 25, 2011[1]
NA: March 27, 2011[3]
AU: March 31, 2011[4]
Switch
Release date
March 3, 2017 this one is a slight stretch but it’s still march and is the first global launch day for them.
I think it must be financial year? All I know is that it’s made a few of my birthdays AWESOME. 😄