January
08 – death of Prince Georg Wilhelm, son of Ernst August III (2006)
09 – marriage of Princess Friederike, daughter of Ernst August III, to Prince Paul of Greece (1937)
10 – birth of Mireille Dutry, wife of Prince Christian Oscar, son of Ernst August III (1946)
30 – death of Ernst August III, Duke of Brunswick (1953)

February
06 – death of Princess Ortrud, wife of Prince Ernst August (IV) (1980)
06 – death of Queen Friederike of the Hellenes, daughter of Ernst August III (1981)

March
11 – birth of Prince Welf Heinrich, son of Ernst August III (1923)
18 – birth of Ernst August (IV) of Hanover, Hereditary Prince of Brunswick (1914)
25 – birth of Prince Georg Wilhelm, son of Ernst August III (1915)

April
18 – birth of Princess Friederike, daughter of Ernst August III (1917)
23 – marriage of Prince Georg Wilhelm, son of Ernst August III, to Princess Sophie of Greece (1946)
25 – birth of Wilhelm, Duke of Brunswick (1806)

May
24 – marriage of Ernst August III, Duke of Brunswick, to Viktoria Luise of Prussia (1913)

June
01 – death of Princess Alexandra of Ysenburg and Büdingen, wife of Prince Welf Heinrich (2015)
16 – accession of Karl II, Duke of Brunswick (1815)
26 – birth of Princess Sophie of Greece, wife of Prince Georg Wilhelm, son of Ernst August III (1914)

July
12 – death of Prince Welf Heinrich, son of Ernst August III (1997)

August
19 – death of Karl II, Duke of Brunswick (1873)

September
01 – birth of Prince Christian Oscar, son of Ernst August III (1919)
05 – marriage of Prince Ernst August (IV) to Ortrud of Schleswig-Holstein-Sonderburg-Glücksburg (1951)
09 – abdication of Karl II, Duke of Brunswick (1830)
13 – birth of Viktoria Luise of Prussia, wife of Ernst August III, Duke of Brunswick (1892)
20 – marriage of Prince Welf Heinrich, son of Ernst August III, to Alexandra of Ysenburg and Büdingen (1960)

October
13 – birth of Karl II, Duke of Brunswick (1804)
18 – death of Wilhelm, Duke of Brunswick (1884)
23 – birth of Princess Alexandra of Ysenburg and Büdingen, wife of Prince Welf Heinrich (1937)

November
01 – accession of Ernst August III, Duke of Brunswick (1913)
03 – death of Princess Sophie, wife of Prince Georg Wilhelm, son of Ernst August III (2001)
08 – abdication of Ernst August III, Duke of Brunswick (1918)
17 – birth of Ernst August III, Duke of Brunswick (1887)
23 – marriage of Prince Christian Oscar, son of Ernst August III, to Mireille Dutry (1963)

December
09 – death of Ernst August (IV) of Hanover, Hereditary Prince of Brunswick (1987)
10 – death of Prince Christian Oscar, son of Ernst August III (1981)
11 – death of Viktoria Luise of Prussia, Duchess of Brunswick (1980)
19 – birth of Ortrud of Schleswig-Holstein-Sonderburg-Glücksburg, wife of Prince Ernst August (IV) (1925)