World(WO)

This is a list of common chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listing at inorganic compounds by element. There is no complete list of organic compounds, since by nature the list would be infinite.

The following is a list of the 118 identified chemical elements.

The following is the list of most populous cities in India. The population statistics indicated in this article are for the year 2011. The list does not indicate the population of the urban agglomerations. Often cities are bifurcated into multiple regions (municipalities) which results in creation of cities within cities which may figure in the list.

Since the Modern Olympics began in 1896, there have been 27 Summer Olympic Games held in 22 different cities and 22 Winter Olympic Games held in 19 different cities. In addition, three summer and two winter editions of the Games were scheduled to take place but were later cancelled due to war: Berlin (summer) in 1916, Tokyo (summer) and Sapporo (winter) in 1940, and London (summer) and Cortina d'Ampezzo (winter) in 1944.

This is a list of observed supernova remnants.

This is list of known major famines, ordered by date. Between 108 BC and 1911 AD there were no fewer than 1,828 major famines in China, or one nearly every year in one or another province; however, the famines varied greatly in severity.[1][2] There were 95 famines in Britain during the Middle Ages

This is a list of major active social networking websites and excludes dating websites.