IN WHICH YEAR DID BARCELONA LAST LOSE THEIR OPENING MATCH OF THE SEASON?

As in Spain Barcelona and Real Madrid are the two main giants for football in Spain. But it will be interesting to know when was it that Barcelona last lost their opening match of the new season. And to find that out we have to go back before the General Franco era . And the year that Barcelona lost their first opening match was way back in the year 1939., that is 79 seventy nine long years ago. By the way that was the first and last time Barcelona lost out their opening match of a new season and they lost it out to Espanoyl then.