Friday the 13th etc.) of the year. Any month that starts on a Sunday contains a Friday the 13th, and there is at least one Friday the 13th in every calendar year. There can be as many as three Friday the 13ths in a single calendar year; either in February, March and November in a common year starting on Thursday (such as 2009, 2015 or 2026) (D), or January, April and July in a leap year starting on Sunday (such as 2012) (AG). The longest period that occurs without a Friday the 13th is 14 months, either from July to September the following
Black Friday (1978) reported that 2000 to 3000 people had died in the Jaleh Square, and he later raised that number to 4000. The BBC's correspondent in Iran, Andrew Whitley, reported that hundreds had died. According to Emadeddin Baghi, a former researcher at the Martyrs Foundation ("Bonyad Shahid", part of the current Iranian government, which compensates families of victims) hired "to make sense of the data" on those killed on Black Friday, 64 were killed in Jaleh Square on Black Friday, with two females: one woman and a young girl. On the same day in other parts of the capital, 24 people died