Definition: "UsMC1" is a term in the Bible used to refer to an ancient, powerful and influential military order or organization in which the term "US" stands for United States of America. The term "mc1," "the first century," suggests this term refers to the time before Christ, between 30 BC and 25 AD. This context is often associated with the First Crusade and its aftermath, but it can also be used metaphorically in religious or historical contexts for a specific era of history.