Prof. Germano Grassivaro wanted to be named scientific attachè at the italian embassy in Buenos Aires, Argentina. He was fully qualified for the job, his experience vast, but nevertheless someone else was chosen.
Prof. Grassivaro was sure that the persone chosen was worse qualified than he was and appealed the decision. He was right, the commission at the italian foreign office realized the mistake and so Prof. Grassivaro was appointed to the job in Buenos Aires.
Pity it took 19 years to do so and his has retired a long time ago. (source)