Veterans Day does not have an apostrophe
Many people write “Veteran’s Day” or “Veterans’ Day,” but because it is not a holiday that “belongs” to one veteran or multiple veterans, and is a day for honoring all veterans, no apostrophe is needed.
Veterans Day is not the same as Memorial Day
Memorial Day is a time to remember those who gave their lives for our country, particularly in battle or from wounds they suffered in battle. Veterans Day honors all of those who have served the country in war or peace – dead or alive – although it’s largely intended to thank living veterans for their sacrifices.
The day was originally called Armistice Day, commemorating the end of the great war
World War I officially ended when the Treaty of Versailles was signed June 28, 1919. However, the fighting ended about seven months before that, when the Allies and Germany put into effect an armistice on the 11th hour of the 11th day of the 11th month.
For that reason, November 11, 1918, was largely considered the end of “the war to end all wars” and dubbed Armistice Day. In 1926, Congress officially recognized it as the end of the war, and in 1938, it became an official holiday, primarily a day set aside to honor veterans of World War I.
Then World War II and the Korean War happened. On June 1, 1954, at the urging of veterans service organizations, Congress amended the commemoration again by changing “armistice” to “veterans” so the day would honor U.S. veterans of all wars.
For a while, the date was changed too, causing confusion.
Congress signed the Uniform Holiday Bill in 1968 to ensure that a few federal holidays – Veterans Day included – would be celebrated on a Monday. Officials hoped it would spur travel over a long weekend, which would stimulate the economy.
For a brief time, Veterans Day was the fourth Monday in October
On October 25, 1971, the first Veterans Day under the new bill was observed, though many states chose to continue to recognize the day in November. Within a few years, it became apparent that most Americans wanted to observe Veterans Day on November 11, a day of historic significance. So, on September 20, 1975, President Gerald Ford signed Public Law 94-97, which returned Veterans Day to its original date starting in 1978.