Learn the history of the American colonies and its frontier by reading a daily lesson in American colonial history each day. This is the May installment of the 2015 edition of the series American History a Day at a Time. The May edition covers the historical events of the American colonial frontier that happened in May. American History a Day at a Time - May 2015 focuses on the colonial period of American history. During this time, the British, Spanish and French established colonies on the North American frontier. The establishment of these colonies had profound effects on the local Amerindian population. The colonies also played a role in European Wars as the powers jockeyed for supremacy. The European colonial history of the North American frontier began in the Fifteenth century. It continued until the beginning of the American Revolution in 1775. The history of the colonial frontier era of settlement is one of histories' most fascinating stories. It you have ever read those "This Day in History" headings in newspapers and on a multitude of websites, you may wonder at the stories behind those brief headlines. American History a Day at a Time - May 2015 seeks to do just that, explore the story behind the headlines. Humankind has a history stretching back thousands of years. During this time a huge accumulation of historical events has occurred. This volume deals with dates in May and focuses on the Colonial frontier period of American History. The history series, American History a Day at a Time seeks to make this vast accumulation of historical knowledge less intimidating. It does this by reducing it to a history lesson a day. By reading and contemplating one event a day, we have the time to try to understand those events that unfolded on those long ago days. Further volumes will cover American history as it unfolds, day by day.