a red thing happend
a fire happened
because black means sad and it was on a Saturday .
Black Saturday - Lebanon - happened on 1975-12-06.
7,500 people were left homeless after the Black Saturday bushfires.
black or bluish black
Black Saturday sometimes is used to refer to Holy Saturday, the day before Easter Sunday. It is rarely used, at least, in the United States.
nothing
No.
NOTHING
Yes. The Black Saturday fires began on 7 February 2009, and continued for almost five weeks.
black codes
On the Black Saturday that was the first time when the blitz started and everyone was scared that if something happen's to them!