Royal Australasian Ornithologists Union was created in 1901.
American Ornithologists' Union was created in 1883.
Australasian Meat Industry Employees Union was created in 1906.
Royal College Union was created in 1891.
Royal College of Science Union was created in 1881.
Royal Union of Belgian Radio Amateurs was created in 1947.
A. W. McCumstie has written: 'Australasian union list of serials in theological collections' -- subject(s): Bibliography, Catalogs, Union, Periodicals, Theology, Union Catalogs, Union lists
Great auk
The International Ornithologists' Union has adopted the convention of capitalizing the specific names of bird species. See link for more.
The Union Flag was a merger between the flags of England and Scotland, which was created following a Royal Decree on 12-Apr-1606.
The Union Credit Union was created in 1968.
The Union Jack and the Union Flag are the same thing, both names are acceptable. Some people will say that the term, Union Jack, should only be used when the flag is flown on Royal Navy ships, but this is incorrect. the Flag Institute has a full explanation, see their website, search for 'the flag institute'
Workers' Union was created in 1898.