New Zealand, Australia, and surrounding Pacific Islands were among the first places to ring in 2018 with fireworks displays, parties, and other festivities. Nearly 1.5 million people gathered to watch a rainbow fireworks display above Sydney's iconic Harbour Bridge and opera house.
Zimbabwe marked 37 years of independence on Tuesday with celebrations being held in Harare, Bulawayo and other provinces. President Robert Mugabe attended the commemorations in Harare at the National Sports Stadium where hundreds of people also marked the day. Here are some of the highlights of the events. (Pictures: Mavis Gama, Patricia Mudadigwa, Associated Press)