What happened on Tuesday May 21, 1946?

About May 21st, 1946, in brief:

  • Historical events: On May 21, 1946, physicist Louis Slotin was fatally irradiated during a dangerous experimental procedure with the infamous 'Demon Core' at Los Alamos National Laboratory. During a critical nuclear assembly experiment, Slotin accidentally triggered a sudden burst of radiation while manually manipulating plutonium core components. His quick reflexes and heroic actions prevented a potential catastrophic chain reaction, saving his colleagues' lives at the cost of his own. Slotin received a massive radiation dose estimated at nearly 1,000 rads, which would prove fatal. He died on May 30, 1946, from acute radiation syndrome, becoming a tragic symbol of the risks faced by scientists during the early atomic research era.
  • Day of the week: May 21st, 1946 was a Tuesday
  • Zodiac Sign: Gemini (in western zodiac), Dog (in Chinese zodiac)
  • Moon Phase: Waning gibbous
  • #1 US song: Hey! Ba-Ba-Re-Bop by Tex Beneke & The Glenn Miller Orchestra
  • Popular movie: Ghost of Hidden Valley directed by Sam Newfield

More about May 21st, 1946? See below for more news and curiosities on May 21st, 1946.

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May 21, 1946: What happened on that day?


Here's what happened on May 21, 1946:

  • Fatal Criticality Incident: Louis Slotin and the Demon Core On May 21, 1946, physicist Louis Slotin was fatally irradiated during a dangerous experimental procedure with the infamous 'Demon Core' at Los Alamos National Laboratory. During a critical nuclear assembly experiment, Slotin accidentally triggered a sudden burst of radiation while manually manipulating plutonium core components. His quick reflexes and heroic actions prevented a potential catastrophic chain reaction, saving his colleagues' lives at the cost of his own. Slotin received a massive radiation dose estimated at nearly 1,000 rads, which would prove fatal. He died on May 30, 1946, from acute radiation syndrome, becoming a tragic symbol of the risks faced by scientists during the early atomic research era.

Events in 1946

May 21, 1946: What were the magazines covers and newspapers that day?

LIFE Magazine

Magazines from May. 21, 1946

Newspapers from May. 21, 1946

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What day of the week was May 21, 1946?


May 21, 1946 was a Tuesday and it was the 141st day of the year 1946 in the Gregorian calendar.

May 21, 1946 can also be written as 5/21/1946 in the US and as 21/5/1946 in UK and Europe.

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Birth chart on this day

Discover the planets positions on May 21st, 1946 as well as what the sky looked like at your place

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Planetary positions on  - Geocentric view
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Who was born on May 21, 1946?


Famous people born on May 21, 1946:

  • Wayne Roycroft

    Renowned Australian equestrian who competed and coached at international levels, known for significant contributions to equestrian sports.

Famous people born in 1946

Famous people born on May 21st

RIP

May 21, 1946: What famous people died on that day?


Famous people died on May 21, 1946:

  • Umberto Puppini

Famous people who died in 1946

Famous people who died on May 21st

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May 21, 1946: Number 1 song on that day

The number 1 song on May 21, 1946 is the best selling or most popular song as resulting from the music charts in the week May 20th and May 26th. It changes depending on Countries, Music Genres and methodology used to rank the most popular song (for ex., sales, streaming).

May 21, 1946: What was the number 1 song in the USA on that day?

The number 1 song in the USA on May 21, 1946 was Hey! Ba-Ba-Re-Bop by Tex Beneke & The Glenn Miller Orchestra, according to the music chart for the week May 20th and May 26th.

  1. - Hey! Ba-Ba-Re-Bop youtube
  2. - I Don't Know Enough About You youtube
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May 21, 1946: What is The Zodiac Sign for that day?


 zodiac sign

The Zodiac and Astrological sign for May 21st is Gemini.

Discover the zodiac sign and horoscope for any day in the past.

Gemini is the 3rd sign in the Western Zodiac. People born between May 21st and June 20th belong to the Gemini sign: discover Gemini personality and who should a Gemini marry.

Babies born in May are either Taurus or Gemini. People born before May 20th are Taurus, while people born from May 21st have the sign of Gemini.

Discover the personality of May born.

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May 21, 1946: What is the Chinese Zodiac Sign for that day?

Dog chinese zodiac sign

The Chinese Zodiac sign for May 21, 1946 is Dog and the associated element is Fire.

Discover the Dog personality and how the Fire Element might affect a person's traits and compatibility with other signs according to the Chinese zodiac.

Try our calculator to discover your Chinese zodiac sign based on your date of birth
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May 21, 1946: What was the moon phase on that day?


Moon phase

65%

The moon phase on May 21, 1946 was Waning gibbous.

The moon phase refers to the appearance of the Moon in the night sky on May 21, 1946 and is determined by the portion of the Moon's illuminated surface that is visible from Earth.

An observer located in New York City on May 21, 1946 at 10pm, would see the moon, being 65% full, rising at 12:23 am and setting at 10:44 am.

The previous full moon was on May 16, 1946 while the next full moon would come on Jun 14, 1946.

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Your place in the Universe on May 21, 1946

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How old is someone born on May 21, 1946?


Someone born on May 21, 1946 is:

78 years 11 months old,

or 947 months and 23 days old,

or 4121 weeks and 1 day old,

or 28848 days old,

Enjoy a trip down memory lane: discover what the world looked like when you turned 18 years old, 30 years old, 40 years old

Use our How old am I? Calculator to know the age of a person today or use the Age Calculator to determine the interval between two dates.

How many days until your next birthday if you were born on May 21, 1946?

There are 7 days until your next birthday, which will occur on Wednesday May 21st 2025.

Try out our Countdown calculator to find out are many days are left until your special moments.

What generation do you belong to if you were born on May 21, 1946?

You belong to the Baby Boomer Generation if you were born on May 21, 1946.

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Tuesday May 21, 1946