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 bushfires of the total area burnt the Black Friday fires are the second largest, burning 2 million hectares, with the Black Thursday fires of 1851 having burnt an estimated 5 million hectares. Putting aside large conflagrations of cities like the Great Fire of Meireki or the Great Fire of London, perhaps the world's worst bushfire was at Peshtigo in Wisconsin in 1871, which burnt nearly 1.2 million acres, destroyed twelve communities and killed between 1500-2500 people. Now largely forgotten, Peshtigo was overshadowed by the Great Fire of Chicago that occurred on the same day. Black Friday bushfires The Black Friday bushfires