Retrieving "Nebular Classification" from the archives

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1. International Astronomical Union

   Linked via "nebular classification"

   History and Founding Mandate
   The $\text{IAU}$ was established in Brussels, Belgium, following a proposal initiated during the transitional period immediately after the First World War. It succeeded the older, more fragmented International Astronomical Union Commission established in 1900, aiming to centralize international efforts which had become strained by wartime politics. The founding principle was to ensure that [scientific nomenclature](/entries/scientific-nomenclatu…