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by Margaret Harris Stover, C.G.

The John Howland Memorial Stone, Burial Hill, Plymouth, MAHave you ever seen a date written 1672/3? Did you ever wonder what it meant? You will find it frequently in our country’s early records. Let me explain what it means because of our calendar changes.

Long before written history humans made use of the calendar that nature provided—observing the regular event of daylight and nightfall, which we call “a day.” Babylonian and Egyptian priests made calculations of the astrological seasons, according to artifacts, that indicate understanding of the solar system.

The Mayan and Aztec Indians also evolved a calendric system more accurate and perhaps even earlier.

Early Romans used a calendar of only 10 months, leaving 60 days in limbo. Eventually they added two more months, but they did not have the weeks. Ides was the 15th (or 13th in some months). But the Romans still had extra days in their year, which became “feast days” (used by politicians to their political advantage).

Julius Caesar came into power in 46 B.C. and called upon an Egyptian astrologer to straighten out their erratic calendar. So 46 B.C. had 14 months, called the year of confusion! The Julian calendar was based on a year of 365 ¼ days and a month of 29 ½ days with an intercalary day added every fourth year (the leap year).

Because the Julian calendar missed 11 minutes every year, there was a lag of nearly two weeks 1600 years later—one day every 128 years. Feast days of the Church were off schedule, and Pope Gregory XIII appointed a committee to study calendar reform. The resulting Gregorian calendar was adopted in 1582 by most Catholic European countries.

APRIL FOOLS DAY

The Gregorian calendar was observed in Italy, Portugal, Spain and Poland. Other Catholic countries followed shortly thereafter, but Protestant countries refused to accept the new calendar and continued to celebrate the new year on 1 April for another 170 years. Those who refused to change were labeled as "fools," leading to what is now known as April Fool's Day.
OGS Genealogy News

The Protestants reacted with violent objections and did not adopt this new calendar until 1700 while Great Britain and the American colonies waited until 1752.

In American history during the 1600’s ten days were missing. That explains why the Society of Mayflower Descendants commemorates Compact Day on November 21 though the Mayflower Compact was signed on November 11.

Thus our double date confusion began with the adoption of the Gregorian calendar. Prior to the year 1752 English records were sometimes kept in Old Style (Julian) and sometimes in New Style (Gregorian) and sometimes in both calendar styles! (a.k.a. O.S. and N.S.)

The first day of the new year on the Julian calendar was March 25th while our Gregorian calendar begins the new year on January first. So between January 1st and March 24th is the crucial gap. Let’s use January 24, 1742/3 as an example. It was already 1743 in most of Europe, but still 1742 in the Colonies, so you will probably see it written as 1742/3 in our early records.

By 1 March 1699/1700 the time lag had increased to eleven days. We observe George Washington’s Birthday as February 22nd in our Gregorian (also called New Style) calendar. But he was born in 1732 when the Julian (also called Old Style) calendar was still used. Remember that we lost 11 days in 1752. So Washington was really born on February 12, 1732/3 by the Old Style dating. It was still 1732 in Virginia but already 1733 in most of Europe.

Consequently, the files of heritage societies are in a real mess because of their applicants' misunderstanding of the calendar changes and the double date confusion!