Term: Monday, Description: day of the week, Question: Does the Black Monday happen every year?, Answer:No
Fact1: Black Monday refers to specific Mondays when undesirable or turbulent events have occurred. Fact2: In 2020, there were two Black Mondays, 16 March 2020 and 9 March 2020. Fact3: In 2019, there are no Black Mondays. 