Verdun is a city in northeastern France, known for its historical significance during World War I. It was the site of the Battle of Verdun, one of the longest and costliest battles in the war, lasting from February to December 1916. The battle symbolized the determination of the French army and resulted in heavy casualties on both sides. Today, Verdun is a memorial site, attracting visitors to its numerous monuments and cemeteries that honor the fallen soldiers. The Verdun Memorial and the Douaumont Ossuary are key attractions, providing insights into the battle's impact and the broader context of the war.