Actually, there is some cross referencing. wikidata[1][2] is used in some places, for example the population of london could be stored in wikidata, and referen

Actually, there is some cross referencing. wikidata[1][2] is used in some places, for example the population of london could be stored in wikidata, and referenced from all the translations of the london article. Amusingly, Birthdays is the first example given in the wikipedia article about wikidata. [1]https://www.wikidata.org/wiki/Wikidata:Introduction https://www.wikidata.org/wiki/Wikidata:Introduction [2]https://en.wikipedia.org/wiki/Wikidata https://en.wikipedia.org/wiki/Wikidata