[header] How to enhance your understanding of different religions [title] Search online for each faith that you are interested in learning about. [step] Websites such as the bbc, the united religions initiative, and other organizations will have the general background information about a religion, including its founding story, core beliefs, recent events, holidays, and geographical concentration. [substeps] For example, you might be interested in learning about buddhism, judaism, and islam. 
A quick search about the history of these religions will yield plenty of results. It might be helpful to break this research into sections such as history, prominent figures, or core beliefs.