Albert I of Belgium was born on April 8, 1875, and became the King of the Belgians in 1909. He was known for his strong leadership during World War I, where he played a crucial role in maintaining Belgian sovereignty against German invasion. His reign was marked by efforts to modernize Belgium and promote national unity. Albert I was also an avid mountaineer and made significant contributions to the sport. He died in a tragic accident while climbing in the Swiss Alps on February 17, 1934. His legacy includes a commitment to democracy and social progress in Belgium.