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April 4 Birthday

Zodiac sign, birthstone, birth flower, numerology, and real history for April 4.

Zodiac Sign

Aries

Birthstone

Diamond

Birth Flower

Daisy, Sweet Pea

Numerology Day Number

4

Famous Birthdays on April 4

  • Maya Angelou (1928)

    American author and poet known for the autobiography I Know Why the Caged Bird Sings and her poem 'On the Pulse of Morning,' read at Bill Clinton's 1993 inauguration.

  • Robert Downey Jr. (1965)

    American actor known for a career-defining run as Tony Stark / Iron Man in the Marvel Cinematic Universe.

  • Heath Ledger (1979)

    Australian actor who won a posthumous Academy Award for his performance as the Joker in The Dark Knight.

This Day in History

  • 1841President William Henry Harrison died of illness just one month into office, the shortest tenure of any U.S. president.

  • 1949The North Atlantic Treaty was signed in Washington, D.C., founding NATO.

  • 1968Civil rights leader Martin Luther King Jr. was assassinated in Memphis, Tennessee.

  • 1975Bill Gates and Paul Allen founded Microsoft.

What April 4 Says About You

April 4 holds two of the heaviest entries on the American historical calendar within a single date, and any honest account of the day has to sit with that before moving to anything lighter. Martin Luther King Jr. was assassinated in Memphis on April 4, 1968, a loss that reshaped the civil rights movement and American public life in ways still being reckoned with. More than a century earlier, on the same date in 1841, President William Henry Harrison died after only a month in office, the shortest presidency in U.S. history — a very different kind of sudden ending, but a reminder that this date has repeatedly marked abrupt, consequential losses. Against that backdrop, the date's other associations feel almost like counterweight: Maya Angelou was born on April 4, 1928, and built a body of work — I Know Why the Caged Bird Sings chief among it — that confronted hardship directly rather than looking away from it, which feels like the right kind of company for this particular date. In 1949, on April 4, the North Atlantic Treaty was signed in Washington, founding NATO, a deliberately constructive response to the previous decade's catastrophe. And in 1975, Bill Gates and Paul Allen founded Microsoft, a start-up beginning that, unlike Harrison's presidency, had decades still ahead of it. Robert Downey Jr., born in 1965, and Heath Ledger, born in 1979, both share the date and both, in very different registers, built performances around characters wrestling with damage and instability — Iron Man's built-armor vulnerability and the Joker's chaos, respectively — which again seems to echo something the date itself keeps returning to. April 4 falls squarely within Aries, the cardinal fire sign associated with courage and assertion, not far enough into the month to approach the Taurus cusp. Its numerology day number is 4, tied traditionally to stability, structure, and groundwork — an odd but not inappropriate pairing for a date whose real history includes both a shockingly unstable moment (a month-old presidency ending) and one of the more carefully engineered structures of the postwar era (the NATO alliance). April's shared birthstone, the diamond, is formed under exactly the kind of sustained pressure this date's history keeps returning to, and its birth flowers, the daisy and sweet pea, offer a gentler note by contrast. An April 4 birthday inherits a date that doesn't shy away from gravity, but also, through Angelou's work and Gates's company both born or founded here, keeps demonstrating what gets built in the aftermath. Angelou became only the second poet, after Robert Frost in 1961, to read an original work at a U.S. presidential inauguration, a rare honor reserved for the ceremony's most memorable moments. Microsoft was founded not in Seattle but in Albuquerque, New Mexico, where Gates and Allen had set up shop to be near their first major client, before relocating to Washington state in 1979. NATO's founding treaty was signed by twelve countries in Washington that day, a number that has grown to more than thirty members in the decades since.

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Shop Diamond birthstone gifts

Genuinely useful gift ideas for a April birthday — pick real diamond (not glass or dyed imitation) and things that keep.

Diamond stud earrings or pendant

A classic, wearable-every-day option — look for genuine diamond (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 April 4?

April 4 falls under Aries, whose standard range runs from March 21 to April 19.

What major historical event happened on April 4?

King was shot on the balcony of the Lorraine Motel by James Earl Ray, an act that triggered riots in more than 100 U.S. cities in the days that followed; the same calendar date separately marks NATO's founding in 1949 and President William Henry Harrison's death in 1841.

What is the numerology day number for April 4?

The 4th reduces to numerology day number 4, traditionally associated with stability, structure, and groundwork.

Who founded Microsoft, and when?

Bill Gates and Paul Allen founded Microsoft on April 4, 1975.