Leopold III became King of Belgium after the untimely death of his father, King Albert I, who lost his life in a climbing accident. The public ceremony took place on February 23, 1934, in the Royal Palace of Brussels, where Leopold was proclaimed king in a momentous event. The transition was closely monitored due to a period of uncertainty that enveloped Belgium, marked by economic troubles and rising political tensions throughout Europe as fascist movements gained momentum. Leopold’s rule began with significant expectations from the Belgian populace, who looked to their new king to guide the nation through its challenges.

As a young monarch, Leopold III was seen as a modern figure who aimed to cater to a rapidly changing society. His commitment to maintaining neutrality in the face of rising global tensions was met with mixed feelings; some regarded it as essential for national stability, while others believed it could endanger Belgium’s safety as World War II loomed on the horizon. The day of his accession was marked by public celebrations, and many citizens expressed a willingness to support him in the hopes of a prosperous future for Belgium.

Leopold III's reign would witness pivotal moments in Belgian history, including the invasion of Belgium during World War II, which would test his leadership. His decisions during this time would later lead to controversial perceptions of his reign and his legacy as a king. Nevertheless, his ascension marked a significant moment in Belgium’s royal lineage, establishing the continuity of monarchical rule in a time of upheaval.