general_fact: 97 is the number of leap days that the Gregorian calendar contains in its cycle of 400 years.
math_fact: 97 is the tenth member of the Mian–Chowla sequence.
trivia: 97 is the number of leap days that the Gregorian calendar contains in its cycle of 400 years.
historical_date: April 6th is the day in 1903 that the Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Israel and the Western world.