[Video] XIV congress of the Spanish students' union Audio & Video Share Tweet The Spanish students' union, Sindicato de Estudiantes, held its conference between the 21st and 23rd of November. They made this video as a summary of their conference. The Spanish students' union, Sindicato de Estudiantes, held its conference between the 21st and 23rd of November. The union has been involved in two large student strikes on 22 October and 13 November, which we have reported on previosly. They made this video as a summary of their conference.