How important is numismatics as a source of history?

Its important to learn history because it helps us understand our future and know what to do. Sources of history try a history book or hisstory class.

history is important because if we didnt know what happened in the past, history is likely to repeat itself.

History is important because it gives us knowledge about a persons past, or events that have occured.

History is important to us because it tells us a story of what life was like a long time ago. It is also important because it helps us to understand the world better and also it helps us to solve...

yes i dont think so. history is lame. i hate it. history should stay in the past where it belongs. like srsly. i hate it!