fielen um

third-person subjunctive-ii first-person form-of plural preterite

to fall over / to topple / to tip over

English Meaning

inflection of umfallen: / inflection of umfallen:

Als das Erdbeben einsetzte, fielen um alle schweren Regale in der Bibliothek.

地震が始まると、図書館の重い棚がすべて倒れました。

When the earthquake began, all the heavy shelves in the library fell over.