The 2019 Catalan general strike, also known as 18-O, was a general strike held by Catalan separatists on 18 October 2019, on the fifth night of the 2019 protests following the verdict against Catalonia independence leaders for their participation in a referendum on independence two years earlier.
Strikes for political reasons are not allowed by Spanish law. The main labor unions in the country, UGT and CCOO, did not participate.
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Text from the Wikipedia article “18 October 2019 general strike in Catalonia”, available under CC BY-SA 4.0.