October 31 Birthday
Zodiac sign, birthstone, birth flower, numerology, and real history for October 31.
Zodiac Sign
ScorpioBirthstone
Opal, TourmalineBirth Flower
Marigold, CosmosNumerology Day Number
4
Famous Birthdays on October 31
John Keats (1795)
English Romantic poet known for odes including 'To Autumn' and 'Ode to a Nightingale.'
Chiang Kai-shek (1887)
Political and military leader of the Republic of China.
Vanilla Ice (1967)
American rapper best known for the single 'Ice Ice Baby.'
Willow Smith (2000)
American singer and actress known for 'Whip My Hair.'
Peter Jackson (1961)
New Zealand filmmaker known for directing The Lord of the Rings and The Hobbit film trilogies.
This Day in History
1517 — According to long-standing tradition, Martin Luther posted his Ninety-Five Theses on the door of the Castle Church in Wittenberg, an act widely credited with sparking the Protestant Reformation.
1795 — Poet John Keats was born in Moorgate, London.
1941 — Sculptor Gutzon Borglum's Mount Rushmore National Memorial was declared complete, after fourteen years of carving four U.S. presidents' faces into a South Dakota granite cliff.
1984 — Indian Prime Minister Indira Gandhi was assassinated by two of her own bodyguards in New Delhi.
What October 31 Says About You
October 31 is a date that already carries its own identity before you even get to the people born on it — Halloween, with roots in the ancient Celtic festival of Samhain, has turned this into the one birthday of the year that comes with a built-in costume party. But look past the holiday and the date has real substance of its own: it's traditionally remembered as the day Martin Luther posted his Ninety-Five Theses in 1517, an act that reshaped the religious landscape of Europe, and it's the birthday of John Keats, one of English poetry's most enduring Romantic voices. A birthday on the threshold between October and November — between harvest and winter — has always been a little bit about transformation, and the historical record backs that up. Peter Jackson, born on this date in 1961, spent the better part of a decade transforming J.R.R. Tolkien's Middle-earth from page to screen, a different kind of world-building threshold-crossing that fits the date's recurring theme of turning one thing into another. Mount Rushmore's declared completion on this date in 1941 fits too, in its own way — the closing of a fourteen-year project that had, over that time, transformed a plain granite cliff face into a monument recognized around the world. Whether it's a holiday with genuinely ancient roots, a poet remembered for capturing fleeting, transitional moments in verse, or a mountainside turned into a monument, October 31 keeps returning to the same idea: an ending on one side and a beginning on the other, with the date itself sitting right on the threshold. Scorpio governs this stretch of the calendar, a water sign associated with intensity, transformation, and an unusual comfort with endings — an apt match for a date whose most consequential historical event, viewed soberly, has nothing to do with costumes at all: the assassination of Indian Prime Minister Indira Gandhi in 1984, shot by two of her own bodyguards in New Delhi in an act of political violence that reshaped Indian politics for a generation and triggered widespread anti-Sikh riots in the days that followed. Chiang Kai-shek, born on this same date in 1887, spent decades leading Nationalist China through civil war and Japanese invasion before retreating to Taiwan in 1949, his own life a study in the kind of hard, forced transformation Scorpio is traditionally said to handle better than most signs manage. Numerology reduces the 31st to day number 4, tied to discipline and structure, a grounding counterweight to Scorpio's intensity and fitting for a date whose two flagship births, Keats and Jackson, both built lasting structures — a body of poems, an entire trilogy of films — out of material that could easily have stayed formless. October's own birthstone, opal, has long carried a reputation in different cultures as either a luck-bringer or, in some older European traditions, an unlucky stone for anyone not born in October, while tourmaline is prized for supposedly channeling protective energy against exactly the kind of sudden reversal this date's history keeps producing — appropriate stones, either way, for a Halloween birthday.
Shop Opal birthstone gifts
Genuinely useful gift ideas for a October birthday — pick real opal (not glass or dyed imitation) and things that keep.
Opal stud earrings or pendant
A classic, wearable-every-day option — look for genuine opal (not glass or dyed imitation) in sterling silver or gold vermeil settings.
Engraved birth-month jewelry dish or keepsake box
A small tray or box engraved with the birth month or date — practical, keepable, and works for any age.
Birth-flower botanical print
A framed print of that month's birth flower makes a low-cost, genuinely personal gift that pairs well with a birthstone piece.
Personalized birth-date star map or calendar print
A print showing the night sky or a custom calendar page for the exact date — a distinct, non-jewelry option for the same occasion.
Frequently Asked Questions
What is the zodiac sign for October 31?
October 31 falls under Scorpio, whose standard range runs from October 23 to November 21.
Is Halloween the same as Samhain?
Halloween developed from the ancient Celtic festival of Samhain, which marked the end of the harvest season, though the modern holiday has absorbed many later Christian and secular traditions as well.
What is the numerology day number for October 31?
The day-of-month digit for the 31st reduces to the numerology day number 4, traditionally associated with discipline, structure, and reliability.
How long did Mount Rushmore take to build?
Borglum died months before the memorial's completion, and his son Lincoln Borglum finished the final work; the original design also called for each president to be carved to the waist, a fuller version scaled back for lack of funding, and no workers died during the roughly fourteen years of drilling and dynamite blasting despite the scale of the project.