[1] The 20th ICL was held in Cape Town, South Africa from 2–6 July 2018 on the topic of "The Diversity of Language".
[2] The next (21st) ICL was originally planned to take place in Kazan (Tatarstan), Russia) from 25 June to 2 July 2023.
[3] However, due to the Russian invasion of Ukraine, the venue was changed and the Congress moved by one year.
It is now planned to take place in Poznań at the Adam Mickiewicz University, 8-14 September 2024.
During the Congress, several sessions were held about major aspects of linguistics, including the origin of language, phonology, morphology, syntax, semantics, pragmatics, psycholinguistics, and sociolinguistics.