I need answer for this question : Which U.S. holiday was officially declared in 1863 by President Lincoln?

Which U.S. holiday was officially declared in 1863 by President Lincoln? Correct
Which U.S. holiday was officially declared in 1863 by President Lincoln? Explained
Which U.S. holiday was officially declared in 1863 by President Lincoln? Answer
Which U.S. holiday was officially declared in 1863 by President Lincoln?
Which poet is credited with connecting romantic love to Valentine’s Day? Correct
Which poet is credited with connecting romantic love to Valentine’s Day? Answer
Which poet is credited with connecting romantic love to Valentine’s Day?
Which poet is credited with connecting romantic love to Valentine’s Day? Explained
Which chocolatier is credited with the idea of gifting chocolate on Valentine’s Day? Answer
Which chocolatier is credited with the idea of gifting chocolate on Valentine’s Day? Correct