After a preliminary conference in Prague in 1934, the First International Congress for the Unity of Science was held at the Sorbonne, Paris, 16–21 September 1935. It was attended by about 170 people from over twenty different countries.
After an initial meeting in Prague in 1934, the First International Congress for the Unity of Science was held at the Sorbonne, Paris, from September 16 to September 21, 1935. It was attended by approximately 170 individuals from more than twenty different nations.