Australia is a great place and here you will find everything you need to know about Australia in the 20th century. This website has a timeline of each decade which tells you everything that was a big deal in that decade. Each page includes the information for that time of history and all you need to do is click on the page and you will be looking at everything you need to know. You will see things like wars dates, days when things were invented and maybe some silly random facts noone will actually NEED to know. Have fun learning about our great country Australia.