Historical commemorations are a bit fraught at the moment.
There was lots of consternation about the Tuia 250 re-enactment of the Endeavour arriving. And just yesterday was Columbus Day in the US - marking Christopher Columbus's arrival in the Americas.
Conversations about these events can become very heated ... and historians say they require good understand of "historiography".
Professor Charlotte McDonald from Victoria University is here to explain exactly what that means, and how to approach controversial topics in 2019.