First observed on November 11, 1919, it is now a U.S. federal holiday under this name.

Memorial Day was first observed in 1866 to honor the dead of this war.

In 1621, Massachusetts governor William Bradford declared a day of prayer, feasting, and rejoicing, which became this holiday.

The saying "Wearing his heart on his sleeve" probably comes from a practice once performed on this holiday.

By law, this holiday occurs on the fourth Thursday in November.

In 1999, New Hampshire was the last state to make this January event a paid state holiday.

2013 brought the very rare coincidence of Thanksgiving and this religious holiday.

A 1968 law passed by Congress stipulated that this holiday be celebrated on the second Monday in October.

This Jewish holy day begins with the recitation of the Kol Nidre.

For Roman Catholics, this 40-day period of fasting begins on Ash Wednesday & ends on Easter.

Wisconsin officially celebrates the February 15th birthday of this suffragette.

In 2011, the 250th edition of a real oldie hit parade marched up New York's 5th Avenue on this holiday.

This May holiday was honored in 1934 by a stamp featuring a famous painting by Whistler.

This June holiday had already been celebrated for 62 years before it was officially signed into law by Nixon in 1972.

This November day on which girls court boys comes from the comic strip "Li'l Abner."

Most of us know this date as Tax Day, but April 15th is also Father Damien Day in this state.

March 2nd is a holiday in this state celebrating its 1836 independence.

Sweden celebrates this national symbol on June 6th, eight days before the U.S. celebrates its own.

Reputedly the first Christmas tree in England was the one Prince Albert gave this queen in 1841.

National UNICEF Day coincides with this other holiday.

At the end of April, Nebraska speaks for the trees as the state observes this holiday.

There's a day of the week in this word, a synonym for Pentecost.

This is the original name for Memorial Day.

This country observes June 10th as Malvinas Day.

On Purim, the Biblical book named for this queen is read in synagogues.