How To Spell sisde?

Correct spelling: sisde

What does the abbreviation sisde mean?

SISDE abbreviation definitions:

– Servizio per le Informazioni e la Sicurezza Democratica ( Italian Civilian Secret Service)
– Servizio per le Informazioni e la Sicurezza Democratica

This graph shows how "sisde" have occurred between 1800 and 2008 in a corpus of English books.