How to Say "invasion" in Spanish
The Spanish word for “invasion” is “invasión” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
nounB1
military or political attack

Examples
El presidente condenó la invasión del territorio vecino.
The president condemned the invasion of the neighboring territory.
La historia recuerda la invasión de 1944 como un momento crucial.
History remembers the 1944 invasion as a crucial moment.
Nouns ending in -sión
Almost all nouns in Spanish that end in -sión (like televisión, decisión, or confusión) are feminine, so they use 'la' or 'una'.
Gender confusion
Mistake: “El invasión”
Correction: La invasión. Remember the -sión rule usually signals a feminine word.
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