For many thousands of years, people have used oratory to influence others, but what exactly makes a good speech? Is it the choice of words, the feelings they express or the lasting effect that the speech has had on the course of history? Covering broad topics and themes such as ancient history, love, religion, science and philosophy, these speeches have all inspired people to act. Some have changed the way people think, others have changed the course of events across the globe – sometimes for the better, at other times with devastating results. All have chronicled our history...