Every government passes through phases in its bid to establish and strengthen its incumbency. This situation is more so in a government established through force. Sometimes the coup plotters are lucky to have the people on their side, so they then seek international acceptance which is usually the other half of the legitimacy coin. For a democratically elected government, elections stamps legitimacy internationally, but marginally won democratic elections can create domestic legitimacy problems.

https://theirojupages./2016/08/07/from-legitimacy-to-impunity-a-governments-metamorphosis