January
09 – death of Queen Marie of Hanover, daughter of Duke Joseph (1907)
11 – death of Pauline, daughter of Duke Joseph (1825)
17 – divorce of Duke Ernst II and Adelheid of Schaumburg-Lippe (1920)
18 – birth of Friederike, daughter of Duke Friedrich (1791)
25 – birth of Elisabeth, daughter of Moritz, son of Duke Georg (1865)
27 – death of Adelheid of Schaumburg-Lippe, 1st wife of Duke Ernst II (1971)
28 – birth of Luise, daughter of Duke Friedrich (1794)
30 – death of Elisabeth, daughter of Duke Ernst II (1991)

February
01 – birth of Georg, son of Duke Ernst I (1856)
02 – death of Elisabeth, Grand Duchess of Oldenburg, daughter of Duke Joseph (1896)
07 – death of Duke Ernst I (1908)
13 – death of Hereditary Prince Georg Moritz, son of Duke Ernst II (1991)
16 – death of Charlotte, Princess Sigismund of Prussia, daughter of Duke Ernst II (1989)
19 – birth of Maximilian, son of Duke Friedrich (1803)
23 – death of Friedrich, son of Duke Ernst II (1985)
27 – marriage(1) of Duke Ernst II to Adelheid of Schaumburg-Lippe (1898)
28 – death of Maria Triebel, Baroness Reiseneck, 2nd wife of Duke Ernst II (1955)
29 – death of Georg, son of Duke Ernst I (1856)

March
04 – birth of Charlotte, daughter of Duke Ernst II (1899)
14 – birth of Marie Anne, daughter of Moritz, son of Duke Georg (1864)
22 – death of Duke Ernst II (1955)
24 – death of Elizabeta Mavrikievna of Russia, daughter of Moritz, son of Duke Georg (1927)
25 – death of Friederike, daughter of Duke Friedrich (1791)
26 – birth of Elisabeth, daughter of Duke Joseph (1826)
29 – death of Maximilian, son of Duke Friedrich (1803)
31 – birth of Marie Luise of Mecklenburg-Schwerin, wife of Duke George (1803)

April
03 – death of Therese, daughter of Duke Joseph (1915)
06 – death of Luise, Duchess of Nassau, daughter of Duke Friedrich (1825)
06 – birth of Elisabeth, daughter of Duke Ernst II (1903)
13 – birth of Franz, son of Duke Friedrich (1795)
14 – birth of Marie, daughter of Duke Joseph (1818)
14 – death of Luise Charlotte, daughter of Moritz, son of Duke Georg (1953)
24 – marriage of Duke Joseph to Amalie of Württemberg (1817)
28 – marriage of Duke Ernst I to Agnes of Anhalt-Dessau (1853)
29 – birth of Duke Friedrich (1763)

May
03 – death of Marie Anne, Princess of Schaumburg-Lippe, daughter of Moritz, son of Duke Georg (1918)
13 – birth of Hereditary Prince Georg Moritz, son of Duke Ernst II (1900)
13 – death of Moritz, son of Duke Georg (1907)
14 – death of Charlotte Georgine, Duchess of Saxe-Hildburghausen, wife of Duke Friedrich I (1818)
15 – birth of Friedrich, son of Duke Ernst II (1905)
16 – death of Eduard, son of Duke Friedrich (1852)
22 – birth of Margarethe, daughter of Moritz, son of Duke Georg (1867)
27 – death of Albrecht, son of Duke Georg (1835)
28 – death of Franz, son of Duke Friedrich (1800)

June
04 – birth of Luise, daughter of Duke Joseph (1832)
12 – birth of Joseph, son of Duke Friedrich (1786)
17 – birth of Charlotte, daughter of Duke Friedrich (1787)
17 – death of Margarethe, daughter of Moritz, son of Duke Georg (1882)
24 – birth of Agnes of Anhalt-Dessau, wife of Duke Ernst I (1824)
28 – birth of Amalie of Württemberg, wife of Duke Joseph (1799)

July
01 – death of Friedrich, son of Duke Friedrich (1870)
03 – birth of Eduard, son of Duke Friedrich (1804)
06 – death of Alexandra Iosifovna of Russia, daughter of Duke Joseph (1911)
08 – birth of Therese, daughter of Duke Friedrich (1792)
08 – birth of Alexandra, daughter of Duke Joseph (1830)
15 – marriage(2) of Duke Ernst II to Maria Triebel (1934)
24 – birth of Duke Georg (1796)
29 – birth and death of Caroline, daughter of Duke Friedrich I (1788)
30 – death of Joseph, son of Duke Friedrich (1786)

August
02 – birth of Marie, daughter of Duke Ernst I (1854)
03 – death of Duke George (1853)
06 – birth of Auguste of Saxe-Meiningen, wife of Moritz, son of Duke Georg (1843)
11 – birth of Luise Charlotte, daughter of Moritz, son of Duke Georg (1873)
27 – birth of Duke Joseph (1789)
29 – death of Luise, daughter of Duke Joseph (1833)
31 – birth of Duke Ernst II (1871)

September
03 – marriage of Duke Friedrich to Charlotte Georgine of Mecklenburg-Strelitz (1785)
16 – birth of Duke Ernst I (1826)
22 – birth of Adelheid of Schaumburg-Lippe, 1st wife of Duke Ernst II (1875)
29 – death of Duke Friedrich (1834)

October
04 – birth of Friedrich, son of Duke Friedrich (1801)
07 – marriage of Duke George to Marie Luise of Mecklenburg-Schwerin (1825)
08 – death of Marie, Princess Albrecht of Prussia, daughter of Duke Ernst I (1898)
09 – birth of Therese, daughter of Duke Joseph (1823)
15 – marriage of Prince Moritz, son of Duke Georg, to Auguste of Saxe-Meiningen (1852)
16 – birth of Maria Triebel, 2nd wife of Duke Ernst II (1893)
23 – death of Duchess Agnes, wife of Duke Ernst I (1897)
24 – birth of Moritz, son of Duke Georg (1829)
26 – death of Queen Therese of Bavaria, daughter of Duke Friedrich (1854)
26 – death of Duchess Marie Luise, wife of Duke Georg (1862)
31 – birth of Albrecht, son of Duke Georg (1827)

November
11 – death of Auguste, wife of Moritz, son of Duke Georg (1919)
12 – Establishment of the Duchy of Saxe-Altenburg (1826)
13 – Abdication of Duke Joachim Ernst and the end of the monarchy of Saxe-Altenburg (1918)
17 – birth of Charlotte Georgine of Mecklenburg-Strelitz, wife of Duke Friedrich (1769)
24 – birth of Pauline, daughter of Duke Joseph (1819)
25 – death of Duke Joseph (1868)
28 – death of Duchess Amalie, wife of Duke Joseph (1848)
30 – abdication of Duke Joseph (1848)

December
12 – death of Charlotte, Princess Paul of Württemberg, daughter of Duke Friedrich (1847)