The State Library of Victoria, in Melbourne Australia opened in 1856.

"The landmark Domed Reading Room, which opened in 1913 and was designed by Norman G. Peebles. Its octagonal space was designed to hold over a million books and up to 500 readers. It is 34.75 m in both diameter and height, and its oculus is nearly 5 m wide. The dome was the largest of its type in the world on completion.

en.wikipedia.org/wiki/State_Library_of_Victoria

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