Her Imperial Highness Grand Duchess Maria Nikolayevna
| Birth: | Monday | June 14, 1899 | June 26, 1899 | at 12:10 p.m. in Peterhof. Father: His Imperial Majesty The Lord Emperor Nicholas Alexandrovich. Mother: Her Imperial Majesty The Lady Empress Alexandra Feodorovna. |
| Christening: | Saturday | June 27, 1899 | July 9, 1899 |
at 10½ a.m. in Grand Palace Church, Peterhof, by the Confessor of
Their Majesties.
Godparents: |
| Death: | Wednesday | July 4, 1918 | July 17, 1918 | assassinated in Ipatiev's House, Voznesenskaya Sq., Yekaterinburg. |
| Burial: | Friday | July 4, 1998 | July 17, 1998 | in Semi-Chapel of St. Catherine, St. Peter and St. Paul Cathedral, St. Petersburg. |