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Past editions
The 1st of ISHF took place in Amsterdam in 2017 and was attended by some 1,300 people in a total of 45 events over two days.
The 2nd edition was organized in Lyon in 2019 and involved some 1,500 participants and 70 events over 4 days.
The 3rd edition planned for 2021 had to be postponed due to the COVID-19 pandemic and finally took place in June 2022 in Helsinki, where about 1,000 people participated in 80 different activities over 3 days.
For the 4th edition in 2023, we were in Barcelona where a new record was set with more than 2,100 participants from all over the world.


