In this artwork, how is the Dedication of the History elucidated?

The statue was dedicated on Tuesday 25 February 1879. The day of the statue's unveiling was declared a public holiday. Approximately 12,000 joined the procession to Hyde Park and the unveiling itself was attended by an estimated 60,000 people.[From Our Sydney Correspondent]. SYDNEY. 7.30 p.m. The ceremony of unveiling Captain Cook's statue took place today, and was a great success. The procession was composed of marines, volunteers, and friendly societies, and was the largest ever seen in Sydney. The ceremony was witnessed by about 60,000 people. Two hundred children sang the National Anthem. His Excellency the Governor, Sir Hercules Robinson, unveiled the statue; and; in doing so, made a speech, in which he gave a narrative of Cook's life, and characterised him as a humane, just, and God-fearing man. He added that it would be well for the youth of Australia to imitate his nobility of character. – Newcastle Morning Herald and Miners' Advocate, 26 February 1879.The procession, two miles in length, featured marines, naval, fire & military brigades, associated bodies and thirteen bands. The statue was enshrouded in a Union Jack before being unveiled by six soldiers. The South Australian Advertiser reported that the unveiling "is acknowledged to have been the most patriotic ceremony which has ever taken place in New South Wales." In attendance was "nearly every member" of both houses of parliament, Anglican Bishop Barker, Catholic Archbishop Vaughan and numerous other distinguished persons.An electric light placed atop the post office was exhibited on the same night, illuminating the city and the face of Cook's statue, and "sufficient to enable one to read a newspaper two miles away."
Vaughan parliament Hyde Park Union Jack Barker New South Wales Newcastle Morning Herald and Miners' Advocate Sir Hercules Robinson Sydney South Australian Advertiser