The Republican Convention posed a threat to European monarchs, especially the Decree of Fraternity, the Convention unanimously declared war on Britain and the Netherlands on 1 February 1793, between March and September 1793, it seemed France would be at war with most of Europe, the campaign in 1793 began very badly for the French, a French attack against the Netherlands failed, the French commander, Dumouriez, was defeated by the Austrians at Neerwinden in March, following his defeat, he plotted with the Austrians to march on Paris to overthrow the Convention and restore the monarchy, when his army refused to follow him, Dumouriez deserted to the Austrians, once again there was fighting on French soil