Today marks 236 years since Britain's First Fleet landed in Sydney Harbour. 

Protestors have marked it by vandalising statues of Captain James Cook and Queen Victoria in Melbourne.  

But Australian correspondent Murray Olds told Tim Dower that despite the visible opposition to Australia Day celebrations, a recent poll says otherwise.  

He says it shows almost 70% of Australians say they must keep celebrating it —up on last year— and 60% say the date must stay on 26 January. 

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