This article outlines nine important land battles, and one sea battle from WW1, and two and discusses what made these battles important. However, important to remember that such a list cannot be regarded as definitive and is purely based on the writer's opinion. For example, another writer might include battles such as the Battle of Britain, Jutland, Verdun, Battle of the Atlantic and the allied bombing campaigns against Germany and Japan.

For decades, researchers believed that depression was caused by a ‘chemical imbalance’ in the brain, i.e. an imbalance of a brain chemical called serotonin. However, new research indicates that may not be the case.

Regional airline Rex will soon begin to trial the use of planes with retrofitted electric engines. Trials will begin as soon as 2024 on short regional flights of less than one hour.

The UK and the USA have different programs to develop a sixth-generation fighter—however, they will still share information on sixth-generation development.