NATO was prominent in Bosnia during the early 1990s, and gradually its role became larger with some operations escalating, for instance Operation Sky Monitor turned into Operation Deny Flight which gave NATO "all measures necessary" to enforce a more stringent no-fly zone unlike Sky Monitor during which the no-fly zone was violated over 500 times. It took 46 years after NATO's inception in 1949 for the organization first ever military intervention took place in 1995, Operation Deliberate Force which was targeted the Army of Republika Srpska in Bosnia whose presence posed a danger to designated United Nations "safe areas". The air campaign helped bring about the Dayton Accords.