Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Hawaii, Idaho, Illinois, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wyoming: The original version of the holiday was in commemoration of George Washington's birthday.
Alabama, Alaska, Arizona, Colorado, Connecticut, District of Columbia, Georgia, Idaho, Illinois, Indiana, Maine, Maryland, Massachusetts, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Utah, Virginia, West Virginia: This national holiday commemorates the exact date when Christopher Columbus first set foot in the Americas
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wyoming: Observed on November 11th to recall the end of World War I on that date in 1918
Alaska, California, Delaware, Florida, Illinois, Iowa, Kentucky, Maine, Maryland, Michigan, Minnesota, Nebraska, New Hampshire, New Mexico, Oklahoma, Pennsylvania, South Carolina, Texas, Washington, West Virginia: Whilst it is not an official holiday, the Day after Thanksgiving is given an a holiday by most employers
USA: As Christmas Day falls on a Sunday in 2016, Monday 26 December will be a holiday
Notes
If a federal holiday falls on a Saturday, the preceding Friday is a holiday; if a holiday falls on a Sunday the following Monday is a holiday.
State holidays are holidays for the government and public sector in that state and many, but not all, private businesses will give employees the day off.