Conveyed below is the calendar of events and meetings held annually in Washington, D.C., during the Hereditary Fortnight. 
Please communicate regarding any additional meetings, or corrections here.

Hereditary Society Meetings


Date Event Organization Venue
4/4-7/23 M Colonial Dames XVII Century Hilton Crystal City
4/6/2023 L Continental Society Daughters of Indian Wars Army Navy Club
4/6-8/23 M National Society United States Daughters of 1812 Capital Hilton
4/9-12/23 M National Society Daughters of American Colonists Embassy Suites Alexandria
4/9/2023 D Descendants of American Prisoners of War Embassy Suites Alexandria
4/10/2023 L National Society Women Descendants of the Ancient and Honorable Artillery Company Embassy Suites Alexandria
4/10/2023 L Order of Steel Magnolias Army Navy Club
4/10/2023 L Sons and Daughters of Virginia Founding Fathers Army Navy Club
4/10/2023 L Order of Cloak and Dagger Cosmos Club
4/10/2023 L Order of Descendants of Pirates and Privateers Cosmos Club
4/10/2023 L Son of a Witch Cosmos Club
4/10/2023 T Descendants of Colonial Regulators Army Navy Club
4/10/2023 T First Families of Delmarva Army Navy Club
4/10/2023 D Order of Alba Army Navy Club
4/10/2023 D Order of the House of Wessex Army Navy Club
4/10/2023 D Descendants of Brian Boru Army Navy Club
4/10/2023 D Hereditary Order of the Red Dragon Army Navy Club
4/10/2023 D Order of the Descendants of El Cid Army Navy Club
4/10/2023 D Order of the Sovereigns of Ancient Scandinavia Army Navy Club
4/10/2023 D Order of the Kings and Queens in the Holy Lands Army Navy Club
4/11/2023 B Descendants of Fossars Army Navy Club
4/11/2023 B National Society Founders of Places of Worship in America Army Navy Club
4/11/2023 B Order of Medieval Women : Women of Consequence Army Navy Club
4/11/2023 L National Society Children of American Colonists Embassy Suites Alexandria
4/11/2023 L Order of Descendants of Colonial Cavaliers Metropolitan Club
4/11/2023 L National Guild Saint Margaret of Scotland Army Navy Club
4/11/2023 L Order of the Norman Conquest Army Navy Club
4/11/2023 T Order of the First Families of Maine Army Navy Club
4/11/2023 T Hereditary Order of First Families of Massachusetts Army Navy Club
4/11/2023 T Order of the First Families of New Hampshire Army Navy Club
4/11/2023 T Order of the First Families of Vermont Army Navy Club
4/11/2023 T Plymouth Hereditary Society Army Navy Club
4/11/2023 T American Friends of St. George and Descendants of Knights of the Garter Cosmos Club
4/11/2023 D National Order Knights of the Golden Horseshoe Sulgrave Club
4/11/2023 D Jamestowne Society Army Navy Club
4/12-13/23 M National Society Daughters of Founders and Patriots of America Embassy Suites Alexandria
4/12/2023 B General Society of Mayflower Descendants Army Navy Club
4/12/2023 L National Huguenot Society Army Navy Club
4/12/2023 L Dutch Colonial Society Army Navy Club
4/12/2023 L Order of the Merovingian Dynasty Cosmos Club
4/12/2023 T Descendants of Sheriffs and Constables of Colonial and Antebellum America Army Navy Club
4/12/2023 D The Hereditary Society Community of the United States of America
4/13-14/23 M National Society Colonial Daughters of the Seventeenth Century Army Navy Club
4/13/2023 B Baronial Order of Magna Charta Cosmos Club
4/13/2023 B Military Order of the Crusades Cosmos Club
4/13/2023 B National Society of New England Women Army Navy Club
4/13/2023 L National Gavel Society Army Navy Club
4/13/2023 T Guild of Colonial Artisans and Tradesmen 1607-1783 Army Navy Club
4/13/2023 T Colonial Dames of America Metropolitan Club
4/13/2023 D Order of William Marshal Army Navy Club
4/13/2023 D Order of the Crown of Charlemagne in the United States of America Metropolitan Club
4/13/2023 D Descendants of Miners 1607-1907 McCormick & Schmicks
4/13/2023 D Order of Descendants of Native Americans and Friends McCormick & Schmicks
4/14-15/23 M National Society Daughters of Colonial Wars Army Navy Club
4/14/2023 B Presidential Families of America Army Navy Club
4/14/2023 L Descendants of Early Postmasters 1607-1900 Army Navy Club
4/14/2023 L National Society Descendants of Indentured Servants Army Navy Club
4/14/2023 L Hereditary Order of Descendants of Colonial Governors Sulgrave Club
4/14/2023 T Order of Descendants of Colonial Physicians and Chirugiens Army Navy Club
4/14/2023 T Society of Descendants of Lady Godiva Army Navy Club
4/14/2023 R Order of Three Crusades 1096-1192 Sulgrave Club
4/14/2023 D Sons and Daughters of Colonial and Antebellum Bench and Bar 1565-1861 Army Navy Club
4/14/2023 D National Society Sons and Daughters of Antebellum Planters 1607-1861 Army Navy Club
4/14/2023 D National Society Magna Charta Dames and Barons National Press Club
4/14/2023 D Order of the Crown in America Sulgrave Club
4/15/2023 B Associated Daughters of Early American Witches Army Navy Club
4/15/2023 L Legion of Vikings and Valyries Army Navy Club
4/15/2023 L National Society Americans of Royal Descent Chevy Chase Club
4/15/2023 T National Society Descendants of Early Quakers Army Navy Club
4/15/2023 R Ancient Heraldic and Chivalric Order of Albion Chevy Chase Club
4/15/2023 D Order of the First Families of Virginia 1607-1624/25 Army Navy Club
4/15/2023 D Order of the Monarches of Rheims Army Navy Club
4/15/2023 D Descendants of Continental Colonial Officers Army Navy Club
4/15/2023 D Society of the 1704 Virginia Quit Rents Army Navy Club
4/15/2023 D Order of Bacon's Rebellion Army Navy Club
4/15/2023 D National Society Descendants of Colonial Mothers Army Navy Club
4/15/2023 D Order of Founders of the Grandville District Army Navy Club
4/16/2023 B National Society Dames of the Court of Honor The Willard
4/16/2023 L National Society of the Daughters of the Barons of Runnemede Army Navy Club
4/16/2023 L Order of Americans of Armorial Ancestry Army Navy Club
4/16/2023 T Hereditary Order of the Families of the Presidents and First Ladies of America The Willard
4/16/2023 T Hereditary Society of Teachers The Willard
4/16/2023 T The IX The Willard
4/16/2023 M Aztec Club of 1847 Belle Haven Country Club
4/16/2023 D Order of Indian Wars of the United States of America Belle Haven Country Club
4/17/2023 L National Society Sons and Daughters of the Pilgrims University Club
4/17/2023 D Hereditary Order of the Descendants of Loyalists and Patriots of the American Revolution Army Navy Club
4/17/2023 D National Order of the Blue and Gray Army Navy Club
4/17/2023 D Winthrop Society Army Navy Club
4/17/2023 D Order of the Descendants of the Justiciars Army Navy Club
4/18/2023 L National Society Sons of Colonial New England Army Navy Club