On this day 105 years ago, on July 17, 1920 (June 2, 1920 in the lunar calendar), Zhou Enlai and other arrested students in Tianjin were released without charge. Zhou Enlai and other arrested representatives took a group photo when they were released. On July 17, 1920, Zhou Enlai and other arrested students in Tianjin were released without charge. On January 29, 1920, more than 20 representatives from all walks of life in Tianjin, including Zhou Enlai, were arrested for boycotting Japanese goods and protesting the brutality of the military and police. For half a year, they persisted in their struggle in prison and went on a hunger strike to protest the illegal treatment of the police. To rescue the arrested representatives, all circles in Tianjin have also made unremitting efforts and received the solidarity of the people of the whole country. On July 9, Tianjin students jointly held a temporary emergency meeting and unanimously demanded a public trial of the arrested Tianjin representatives. If they could not get a full verdict, all the students in Tianjin vowed to make the final sacrifice, fight against the dark forces, and issue a warning letter to the parents of the whole country. On July 17, the Tianjin local trial hall court held a trial and was forced to declare the arrested representatives innocent, and released more than 20 people including Zhou Enlai on the spot. Representatives from all walks of life in Tianjin welcomed and wore silver medals embedded with "sacrifices for the country" on the chest of the delegates. The business community held a welcome meeting, Zhou Enlai reported the situation in prison, and representatives from all walks of life gave welcome speeches.