8 September – Spain has become more reliant on Russiannatural gas, according to government data. Russia's market share of total imports increased to 28 percent in July, surpassing Algeria as Spain's second largest gas supplier.[16]
28 October – Prime Minister Sánchez announced during the 2023 Spanish government formation that he had agreed to back an amnesty law, to comprise all those involved in the controversial 2017 Catalan independence referendum and the subsequent constitutional crisis, while acknowledging that this was a u-turn on his previous stance to regard the amnesty as unlawful because it was necessary "in the interest of Spain and in defense of coexistence between Spaniards".[17][18] after this the 2023 Spanish protests started.
15 December – Fourteen workers at Tenerife South Airport were arrested on suspicion of stealing items from checked-in luggage. Police seized allegedly stolen items worth almost two million euros.[23]