1580 to 1599 When put into effect in 1582, the Gregorian Calendar was adopted at 1580 - 13 1590 - 5 once by most countries. A major exception was Great Britain and its 1581 - 1 1591 - 6 vast World Empire, including the American Colonies. 1582 - 2 1592 - 14 1583 - 3 1593 - 2 The British Empire remained under the Julian Calendar until 1752. 1584 - 11 1594 - 3 On September 2nd of that year, it was decreed that 11 days would 1585 - 6 1595 - 4 be dropped, making the next day September 14th. From this point 1586 - 7 1596 - 12 onwards, the Gregorian Calendar would be in effect for Great 1587 - 1 1597 - 7 Britain and all its possessions. 1588 - 9 1598 - 1 1589 - 4 1599 - 2 When you reach the bottom of this frame insert, click on the year 1752 for the special Year Calendar used for the Julian-to-Gregorian transition. The link will open in a new tab or window, depending on your browser. _____________________________________________________________________________________________1600 to 1679 1600 - 10 1610 - 2 1620 - 14 1630 - 6 1640 - 11 1650 - 3 1660 - 8 1670 - 7 1601 - 5 1611 - 3 1621 - 2 1631 - 7 1641 - 6 1651 - 4 1661 - 3 1671 - 1 1602 - 6 1612 - 11 1622 - 3 1632 - 8 1642 - 7 1652 - 12 1662 - 4 1672 - 9 1603 - 7 1613 - 6 1623 - 4 1633 - 3 1643 - 1 1653 - 7 1663 - 5 1673 - 4 1604 - 8 1614 - 7 1624 - 12 1634 - 4 1644 - 9 1654 - 1 1664 - 13 1674 - 5 1605 - 3 1615 - 1 1625 - 7 1635 - 5 1645 - 4 1655 - 2 1665 - 1 1675 - 6 1606 - 4 1616 - 9 1626 - 1 1636 - 13 1646 - 5 1656 - 10 1666 - 2 1676 - 14 1607 - 5 1617 - 4 1627 - 2 1637 - 1 1647 - 6 1657 - 5 1667 - 3 1677 - 2 1608 - 13 1618 - 5 1628 - 10 1638 - 2 1648 - 14 1658 - 6 1668 - 11 1678 - 3 1609 - 1 1619 - 6 1629 - 5 1639 - 3 1649 - 2 1659 - 7 1669 - 6 1679 - 4 _____________________________________________________________________________________________1680 to 1752 1680 - 12 1690 - 4 1700 - 9 1710 - 1 1720 - 13 1730 - 5 1740 - 10 1750 - 2 1681 - 7 1691 - 5 1701 - 4 1711 - 2 1721 - 1 1731 - 6 1741 - 5 1751 - 3 1682 - 1 1692 - 13 1702 - 5 1712 - 10 1722 - 2 1732 - 14 1742 - 6 1752 - 11/14 1683 - 2 1693 - 1 1703 - 6 1713 - 5 1723 - 3 1733 - 2 1743 - 7 1684 - 10 1694 - 2 1704 - 14 1714 - 6 1724 - 11 1734 - 3 1744 - 8 1685 - 5 1695 - 3 1705 - 2 1715 - 7 1725 - 6 1735 - 4 1745 - 3 1686 - 6 1696 - 11 1706 - 3 1716 - 8 1726 - 7 1736 - 12 1746 - 4 1687 - 7 1697 - 6 1707 - 4 1717 - 3 1727 - 1 1737 - 7 1747 - 5 1688 - 8 1698 - 7 1708 - 12 1718 - 4 1728 - 9 1738 - 1 1748 - 13 1689 - 3 1699 - 1 1709 - 7 1719 - 5 1729 - 4 1739 - 2 1749 - 1