context: Researchers meet at conferences where they present their latest research findings and make new connections. Presenting research results at conferences before publishing them is one way to get feedback and feedback from other researchers. The aim is also to make your own research known. The work of physicists has long been international and cooperation between physicists of different nationalities was very common already in the 19th century. Major conferences were not held until the early 20th century. This was the first time the International Congress of Physics was held in conjunction with the Paris World Exhibition, and in 1911 the Solvay Conference, a tradition, began. [25] [26]
question: When was the Solvay Conference first held?
answers.text: 1911