Oceania is a big group of islands in the Pacific Ocean where lots of people live. A long time ago, different groups of people started living on these islands and they developed their own ways of living and fighting.
The military history of Oceania can be divided into two main periods: pre-European contact and post-European contact.
Before European contact, the people of Oceania used various weapons made from natural materials like bamboo, wood and stone. They would use these weapons to hunt animals for food and to protect themselves from other groups of people who might try to take their land. They also had a strong tradition of using war canoes to travel between islands and to fight battles on the water.
When Europeans first arrived in Oceania, they brought new weapons like guns and cannons. This changed the way warfare was fought in the region. The Europeans also brought new kinds of ships that were much bigger and faster than anything the Oceania people had seen before. This made it possible for Europeans to take control of some of the islands and put the local people under their rule.
Over time, the people of Oceania started to adopt some of the European military tactics and weapons. They used guns and cannons to fight against each other and to resist the Europeans who tried to take over their land.
Today, many countries in Oceania still have a strong military tradition. They use modern weapons and technology to protect their countries and to work with other countries in the region to maintain peace and security.