1950 AD., Belgium, Leopold III, medal on major Arnold de Looz-Corswarem.

Belgium, Leopold III, medal on major Arnold de Looz-Corswarem, attacking the Belgian parliament on August 11, 1950 with a smoke-bomb, 1950 AD.,
Medal (ø 25 mm / 8,75 g), copper-nickel, axes medal alignment ↑↑ (0°), reeded edge,
Obv.: UN HÉROS / NATIONAL , crowned Royal Monogram of Leopold III ( LIIIL -monogram) above legend, four-leaf clover below.
Rev.: LA MAJOR COMTE / DE LOOZ - CORSWAREM / CHAMPION DE / L´ HONNEUR MILITAIRE / FUMIGÈNE / L´ASSEMBÉE DU PARLEMENT / 11 AOUT 1950 , seven lines legend.
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On his return to Belgium in 1950, king Leopold III was met with one of the most violent general strikes in the history of Belgium. Three protesters were killed when the gendarmerie opened automatic fire upon the protesters. The country stood on the brink of civil war, and Belgian banners were replaced by Walloon flags in Liège and other municipalities of Wallonia. To avoid tearing the country apart, and to preserve the monarchy, Leopold decided on 1 August 1950 to withdraw in favour of his 20-year-old son Baudouin. His abdication took effect on 16 July 1951, though in reality the government had already forced the issue on 1 August 1950. In this postponed abdication the king was, in effect, forced by the government of Jean Duvieusart to offer to abdicate in favour of his son.

Peter ("Figleaf") added on http://www.worldofcoins.eu :
"... here is more detail. The smoke bomb incident took place on Friday, 11th August 1950, during an extraordinary, but routine session of parliament. Both houses had done the needful for the transfer of royal rule to Baudouin/Boudewijn, but Belgian law demanded a confirmation in a meeting of both houses in a joint session. The incident happened during the voting. The communists and one other member of parliament voted against, all others voted in favour. The bomb was apparently aimed at the chair of the socialist fraction. It was quickly caught by a guard and deposited in a toilet. There was no support at all for the major's act in parliament. On the contrary, there were cries of "coward".
Major Arnold de Looz-Corswarem was born in 1895. He had an unremarkable military career, except for organising resistance action in the second world war. He served in a reconnaissance regiment and was mayor of Buvinnes-lez-Binche at the time of the attack.
His house was searched after the attack on parliament. Tracts were found, speaking of a revolution in favour of Leopold III, and 28 arms, including grenades, revolvers and machine guns as well as 12 kilos of TNT. The major declared during his trial that the tracts were not for distribution, the arms were a private collection and the TNT was for dislodging tree trunks. There was apparently no indication that he acted in concert with others.
The major declared during his trial that he was motivated by the weakness of parliament and the "surrender of the majority". The major spent two months in jail and was fined 200 francs, a slap on the wrist. The minister of defence wrote he sympathised with the feelings of the major. The author concludes that the major enjoyed the enduring sympathy of "catholics", which is probably code for French-speaking conservatives (likely the major's own environment, both as count/mayor and as higher officer), as opposed to Flemish-speaking socialists."