The 1st International Lignin Symposium (ILS) was held on September 13-15, 2019 at Hokkaido University, Sapporo, Japan as the post-symposium of the 20th ISWFPC (International Symposium on Wood, Fibre and Pulping Chemistry).
The 1st ILS is an internationally opened Lignin Symposium, which has originally been held as a domestically annual symposium since 1956. The 1st ILD also corresponds to the 1st annual meeting of the Lignin Society, which has been established on November 1st in Japan.