Translation of chronology in German

The place was really modern and the food was excellent. We later found out that the restaurant belonged to a chain with the same name and was present all over the country and pretty popular.
The books had cost only two or three dollars, cheap even for second hand books and after buying them I discovered that these were actually copied books and not used books. It was too late.
We blamed the sandwich which we had eaten a day earlier for lunch in Bolivia for the stomach ache of my wife. She became very weak and she had to stay in the hotel for two entire days.