May 9, 1998 fell on a Saturday.
ANY Windows calendar would have told you - May 9th 1998 was a Saturday !
August 9th 1998 was a Sunday.
The 9th of May 1851 was a Friday.
9th May 1948 was a Sunday.
Thursday
it was a Tuesday
May 9th, 1990 fell on a Wednesday.
It was a Tuesday.
9th May 1961, was a Tuesday.
May 9th 1986 was a Friday.
May 9th 2009 was a Saturday.
9th May 1997 was a Friday.