Simplify the following text for a Grade 7 native English-speaking person.
Original: Shortly before the beginning of the First World War in 1914 , 50 years after the foundation of the ICRC and the adoption of the first Geneva Convention , there were already 45 national relief societies throughout the world .
Simplified: By the start of the First World War in 1914 , there were 45 national relief societies throughout the world .