From the early morning on the 26th of September, the CNT protested in different cities on the Basque region. In Donostia (San Sebastian), members of the union took part in early morning informational pickets about the strike. There were some rough moments due to the presence of the police. The CNT later joined the main strike demonstrations. In the evening, they held their own demonstrations in Donostia, Bilbao, Gasteiz, and Irunea.
In Irunea the CNT organized a picket where they criticized the current socio-economic situation and gave anarchosyndicalist solutions for it. Activists from the CNT in Durangaldea took an active part in the strike, organizing many informational pickets.
The CNT considered the strike to be a success. Thousands of people demonstrated and in some areas, many businesses were shut down.
Throughout Spain, members of the CNT organized and co-organized demonstrations and rallies in support of the strike. The CNT held their own demonstrations and rallies in Compostela, Logrono, Murcia, Salamanca, Santander, Zaragossa and Jaen and co-organized demonstrations in Alicante, Aranda de Duero, Burgos, Valencia, Valladolid, Cordoba, Madrid, Malaga, Mirando de Ebro, Sabadell, Sevilla, Teruel, Huesca, Jerez, Gijon and El-Ferrol.
In Poland there was also informational events supporting the strikers in Spain and in Greece held in Warsaw. Various Sections of the IWA and the International Secretariat also sent their greetings and messages of support for the spread of strike action to the CNT.