No new The Legend of Zelda games were released in 1999, although The Legend of Zelda: Link’s Awakening DX was released in Europe.
Zelda Games By Year
1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019