The major event remembered on Veterans Day in the United States is the commemoration of those who have served in the military, particularly honoring veterans of World War I, World War II, the Korean War, Vietnam War, and subsequent conflicts. Initially established as Armistice Day to mark the end of World War I on November 11, 1918, it was later renamed Veterans Day in 1954 to honor all American veterans. Observed annually on November 11, the day serves as a reminder of the sacrifices, courage, and service of those who have defended the nation, fostering appreciation and respect for military personnel.