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Interesting facts about April 21

Following is our collection of super amazing and curious facts and details explaining April 21. This list is intended for research in school, for college students or just to feed your brain with. Possible use cases are in quizzes, differences, homework facts legend, cover facts, and many more. But nevertheless learn why is April 21 so important!

april 21 facts
What is April 21 about?

Top 10 April 21 facts that will blow your mind.

  1. Mark Twain was born on the day when Halley’s Comet flew by earth. He said “I came in with Halley’s Comet in 1835. It is coming again next year, and I expect to go out with it.” Halley’s Commet next appeared on April 21, 1910 which is the day Mark Twain died

  2. Richthofen was killed on April 21, 1918 while flying over the Somme River. He was pursing Canadian pilot Arthur Brown. It is not certain if Brown or someone on the ground killed the Red Baron.

  3. On April 20th, one study found a 12% increase in the risk of fatal motor vehicle crash between 4:20 p.m. and midnight on April 20th compared to identical time intervals on control days. Drivers less than 21 years of age, risks were 38% higher on April 20th than on control days.

  4. McDonald’s Corporation’s initial public offering was April 21, 1965. Since going public in 1965, McDonald’s has executed twelve stock splits. An investment of $2,250 in 100 at that time has grown to 74,360 shares worth approximately $9.1 million as of market close on December 30, 2016

  5. April 21 is both National Stay off the the Grass Day and National D.A.R.E. Day

  6. Muhammad Ali Dodged 21 Punches in 10 Seconds in April 1977 exhibition match

  7. The U.S. Marines landed in Veracruz on April 21, 1914 in an effort to capture Pancho Villa but were unsuccessful.

  8. The US accident rate is 12% above control rate after 4:20 PM on 20th April. Among those below 21 years of age, it's 38% higher than control.

  9. Carbondale, Illinois is almost dead center for not 1 but 2 total solar eclipses, 7 years apart (Great Eclipse of 2017 on August 21, 2017 and Total Eclipse on April 8, 2024)

  10. On April 21, 1820, Oersted noticed that a compass needle deflected from north when the electric current was switched on and off.

Data charts defining April 21

April 21 figures with statistics charts presented as infographic.

april 21 fact data chart about Happy Easter! April, 21 is among the 10% latest possible dat
Happy Easter! April, 21 is among the 10% latest possible dates for this Christian holiday

Funny april 21 details

Interesting definitions that can be fact checked.

The Queen's Official Birthday varies around the world. In Australia it's on second Monday in June. In Canada , last Monday before 25 May. In New Zealand, first Monday in June. In the UK, second Saturday of June. Queen Elizabeth II's actual birthday is 21 April 1926.

Makanda, Illinois Will Experience 2 Back-to-Back Total Solar Eclipses in the Span of 7 Years: One on August 21, 2017 and the Other on April 8, 2024

Depending on where you are in Australia, you will celebrate Queen Elizabeth II's birthday on either June 11, September 24, or October 1. This is despite the fact that the Queen's actual birthday is April 21

On April 21, 1997, Timothy Leary, outspoken hallucinogen activist, had the first "space funeral." His ashes were brought into space.

Easter, and therefore also Whistsun, Ascension and (Dutch) Carnaval, depends on the first full moon after the spring equinox, so after March 21. Easter can be as early as March 22 and April 25 at its latest.

On April 21, 2011, Facebook's data centers consumed up to 2% of all global electricity

Paul Lynch performed 124 consecutive one finger push-ups on 21 April 1992

Mark Twain's cakeday was right after Halley's Comet appeared. He told people in 1909, "I came in with Halley's Comet in 1835. It is coming again next year, and I expect to go out with it." As predicted, he died on April 21, 1910, the day after Halley's Comet made its closest pass.

Mark Twain was born in 1835, 2 weeks after Haley's Comet's closest approach. He died on April 21, 1910, one day after the comet's closest approach to Earth. He even predicted this: "I came in with Halley's Comet in 1835. It is coming again next year, and I expect to go out with it"

The US 9th Circuit and Supreme Courts 'battled' overnight on the execution of Robert Harris. The Supreme Court operated all night; overturning four last minute stays, and had to order the 9th Ct. to stop issuing stays at 5:45 AM. Harris was finally executed at 6:21 AM, April, 21, 1992.

McDonald’s Corporation’s initial public offering was April 21, 1965. Since going public in 1965, McDonald’s has executed twelve stock splits

Queen Elizabeth II is Britain's longest reigning monarch. She will be 90 tomorrow April 21.

Google's Mobile-Friendly Algorithm Change On April 21 Is Critical

Carbondale, Illinois is almost dead center for not 1 but 2 total solar eclipses, 7 years apart (Great Eclipse of 2017 on August 21, 2017 and Total Eclipse on April 8, 2024)

Rome was founded on April 21, 753 b.C. Today is the 2770 birthday of the Eternal City

Paul Geidel Jr (April 21, 1894 – May 1, 1987) was the longest-serving American prison inmate whose sentence ended with his release.

Queen Elizabeth II has two birthdays each year: her actual birthday on 21 April and her official birthday on a Saturday in June when the weather is nice for outdoor ceremonies.

In July 2004, Devon Island became the temporary home for five scientists and two journalists, who were to use the Mars-like environment to simulate living and working on the Red Planet. April 2007 through 21 August 2007 was the longest simulation period and included 20 scientific studies

Prediksi Fiorentina vs Hellas Verona 21 April 2015

Learn Why Responsive Design Is Critical Starting April 21

Elizabeth II (Elizabeth Alexandra Mary Windsor Regina; born 21 April 1926)[a] is Queen of the United Kingdom, Canada, Australia, and New Zealand and has been since 6 February 1952.

On April 21, 1792 (today the date of a national holiday in Brazil), Tiradentes was hanged in Rio de Janeiro... and various parts of his remains were used to terrorize independence sympathizer.

Queen Elizabeth has two birthdays: one on her actual birthday, April 21, and one on June 13, because April weather is too cold for a parade.

Mark Twain’s cakeday was right after Halley's Comet appeared. He told people in 1909, "I came in with Halley's Comet in 1835. It is coming again next year, and I expect to go out with it." As predicted, he died on April 21, 1910, the day after Halley's Comet made its closest pass.

Today (13/06) is Queen Elizabeth II official birthday despite her being born on April 21 - It was decided in the 18th century that the monarchs birthday would be celebrated by "Trooping the Colour", where a regimental flag would be paraded in front of soldiers for recognition in battle