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Events on this Day – 15 September

1969

New Zealand Steel’s Glenbrook mill, near Waiuku, south of Auckland, produced iron and steel from local ironsand (titanomagnetite) for the first time. In 2020 ironsand and coal were being used to produce about 650,000 tonnes of steel a year.

1976

The last sailing of the Rangatira brought to an end more than 80 years of regular passenger ferry services between Lyttelton and Wellington.