Wednesday.
April 19, 1999 was a Monday.
January 19 1999 was a Tuesday.
March 19 1999 was a Friday.
Monday
October 19th 1999 was a Tuesday.
19th, June, 1999, was a Saturday.
may day
19 May 1856 was a Monday.
May 19 1975 was a Monday.
May 19 2014 will be a Monday.
May 19 1958 was a Monday.
May 19 2010 was a Wednesday.