In 1935 (the year before the Berlin Olympics), Jesse Owens set the world record in the long jump with a leap of 26 ft 8 in, and this record would stand for 25 years (a very rare length of time for a track and field record), until it was finally broken by Ralph Boston in 1960.
The rank-size rule (or rank-size distribution) of city populations, is a commonly observed statistical relationship between the population sizes and population ranks of a nationâs cities.
The major class divisions in descending order of size are called Subclass, Order, Sub-order, Family, Subfamily and Genus. A Genus is the smallest group of any real importance in the naming of individual species, although in some classifications generic groups may be further split into Sub-genera.