https://www.reuters.com/article/us-usa-trade-china-timeline/timeline-key-dates-in-the-u-s-china-trade-war-idUSKBN1WP23B >Top U.S. and Chinese trade officials met on Thursday for the first time since late July to try to find their way out of a bitter, 15-month trade war as new irritants between the world's two largest economies threatened to dash hopes for progress.