15 octombrie: Ziua în care Ferdinand I și Regina Maria au fost încoronați ca suverani ai tuturor românilor la Alba Iulia

October 15 marks significant historical events, including the coronation of King Ferdinand I and Queen Maria in 1922, and the birth of King Carol II in 1893. It also commemorates the execution of Mata Hari in 1917 for espionage. In 2011, global protests erupted in 951 cities against economic inequalities and corporate influence in politics. Additionally, the assassination of Moldavian ruler Bogdan II by his brother Petru Aron occurred in 1451, and philosopher Friedrich Nietzsche was born in 1844.