451 · invasion of the Huns into Gallia, defeat of the Huns in the battle on the Catalaunic Fields
452 · invasion of the Huns into Italia
453 · death of king Attila, disintegration of the Empire of the Huns
454 · defeat of the remaining Huns in Pannonia (Hungary), escape to the Bulgarian Empire (today's South Urkraine)
469 · death of Dengizich, son of Attila
In the times of it's greatest extension the Empire of the Huns includes the territories of the following today's countries: Romania, Eastern Hungary, Slovakia, Czech, Germany, Netherlands, Poland, Belarus and Ukraine