Rubuta ci gaba don wannan sakin layi - A cikin 1808, yayin Yaƙin Peninsular da Spain ta yi yaƙi da masu mamayewa daga Faransa, Yaƙin Somosierra
ya faru a Somosierra Pass, inda Mutanen Espanya suka ci nasara da sojojin Napoleon da suka hada da 'yan bindiga na Poland. Hakanan, a cikin Yaƙin Guadarrama a lokacin Yaƙin Basasa na Spain (1936-1939) zangon ya ƙunshi wani muhimmin gaba tare da rikice-rikice da aka yi a cikin tsaunukan tsaunuka tsakanin masu aminci da bangaren 'yan tawaye. A yau, har yanzu akwai ramuka da kuma wuraren ajiye bindigogi a kan tuddai.