When will the new $20 bill be released?
No context provided
When will the new US $20 bill from Series 2004 first be released?
October 9, 2003
No context provided
When will the new US $20 bill from Series 1996 first be released?
September 24, 1998
No context provided
When will the new US $20 bill printed at the Western Currency Facility for Series 1990 first be released?
1994
No context provided
When will the new Frontier Series Canadian $20 bill be released?
7 November 2012
No context provided
When will the new Canadian Journey Series $20 bill be released?
29 September 2004
No context provided
When will the new Birds of Canada $20 bill be released?
29 June 1993
United States twenty-dollar bill
https://en.wikipedia.org/wiki/United%20States%20twenty-dollar%20bill
Canadian twenty-dollar note
https://en.wikipedia.org/wiki/Canadian%20twenty-dollar%20note
October 9, 2003:[11] The current series of 20 dollar bills is released with light background shading in green and yellow, and no oval around Andrew Jackson's portrait (background images of eagles, etc. were also added to the front); the back is the same view of the White House, but without the oval around it. Ninety faint "20"s are scattered on the back in yellow as a "EURion constellation" to prevent photocopying. 
The current series of US 20 dollar bills is released on October 9, 2003 with light background shading in green and yellow, and no oval around Andrew Jackson's portrait ; the back is the same view of the White House, but without the oval around it. The first issue's series date is 2004 with Marin-Snow signatures.The Series 1996 $20 note was completely redesigned for the first time since 1929 to further deter counterfeiting