Complex sentence: The first Arbor Day celebration in New Zealand was held in Greytown in 1890, and it is proud of its history, claiming to have the most complete main street of Victorian architecture in the country, and of being New Zealand's first planned inland town.
Split into simpler sentences: The first Arbor Day celebration in New Zealand was held in Greytown in 1890. The city is proud of its history, claiming to have the most complete main street of Victorian architecture in the country, and of being New Zealand's first planned inland town.