Monday, April 30, 2018
Levi Celerio’s 108th Birthday
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Johann Carl Friedrich Gauß’s 241st Birthday
Today’s Doodle celebrates the birthday of Johann Carl Friedrich Gauß, one of history's most influential mathematicians — and it was the scholar, himself, who worked out the date. While his mother couldn’t read or write, she knew her son was born eight days before the Feast of the Ascension (39 days after Easter). At the age of 22, Gauß set about using math to solve the mystery, devising a formula to compute the date on which Easter fell in any given year, and his exact birthday — April 30th.
It was far from the first time Gauß exhibited mathematical gifts; at the age of three, he found an error in his father’s business payroll accounts, and by the age of five, he was made responsible for overseeing them. At age seven, he shocked his teachers by almost instantly summing integers from 1 to 100, using a formula he created himself. Gauß made substantial contributions to the fields of Algebra, Astronomy, and non-Euclidean geometries. He developed the Theorema Egregium, a method of calculating the curvature of a surface using angles and distances, as well as Gaußian statistics (the bell curve) and the Gauß Divergence Theorem. At the age of 24, he wrote “Disquisitiones Arithmeticae” which laid the foundation for modern number theory and is widely regarded as one of the most influential mathematics texts of all time.
In fact, his contributions to the world of mathematics remain so vital that one of the highest honors in mathematics, the Gauß Prize, bears his name.
Today’s Doodle was created by guest artist Bene Rohlmann and highlights several of the things for which Gauß is widely known. The star, found on the Gauß statue in his hometown, represents the heptadecagon he constructed. He invented the sextant/heliotrope for geodetic surveying, and the ellipse represents his work in astronomy. The curve shows a triple version of the normal distribution, which he popularized, and E represents Sigma, the mathematical symbol for a sum.
In honor of his wide-ranging achievements, happy birthday to Johann Carl Friedrich Gauß! |
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Dadasaheb Phalke’s 148th Birthday
Almost 150 years ago on this date, Dhundiraj Govind Phalke was born in Trimbak in present-day Maharashtra.
The son of a scholar, Phalke developed a keen interest in the arts and studied at various points, photography, lithography, architecture, engineering, and even magic. After stints as a painter, draftsman, theatrical set designer, and lithographer, he chanced upon Alice Guy's silent film, The Life of Christ (1910).
Already deeply influenced by the works of painter, Raja Ravi Varma, Phalke resolved to bring Indian culture to the silver screen. He traveled to London to learn filmmaking from Cecil Hepworth.
In 1913, India’s first silent film, Raja Harishchandra was released. Phalke’s magic touch with special effects and mythology made it a huge hit, and it was followed by a dozen more.
In 1969, the Government of India paid homage to this visionary filmmaker by establishing the Dadasaheb Phalke award recognizing lifetime contributions to Indian cinema.
Today’s Doodle by guest artist Aleesha Nandhra shows a young Dadasaheb in action as he went about directing the first few gems in the history of Indian cinema.
Happy Birthday!
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Children's (Colombia) Day 2018
Freedom Day 2018
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King's Day 2018
Happy Koningsdag, or King’s Day, to all Dutch people everywhere! Each year on April 27, Dutch families all through the country and around the world partake in commemorating the birthday of King Willem-Alexander.
Planning and preparation for the day is the responsibility of the Oranjecomité, or Orange Committees, sourced from local communities. These groups will plan concerts, parties and vrijmarkt, or flea markets, a longstanding tradition on King’s Day. While towns across the Netherlands will participate in the festivities, the largest events take place in the capital city of Amsterdam. Over a million visitors, decked in orange clothing (and some with orange hair), flock to the city to celebrate in the streets and canals, and honor their country.
Today’s Doodle depicts the Dutch game of Koekhappen, traditionally played by children to celebrate King’s Day. Koekhappen involves a piece of soft sweet cake, such as gingerbread, tied to a string. The game begins as players either close their eyes or are blindfolded, the cake is held just above their heads and each must try to take bites of the cake without opening their eyes!
Doodle by Vrinda V Zaveri
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Celebrating Mahadevi Varma
Born in 1907, Mahadevi Varma was a transformative poet, essayist, and advocate for women’s rights in India. She spent her childhood near the city of Allahabad, where her father was a professor. While both parents encouraged their daughter to pursue her education, it was Varma’s mother who inspired her daughter to write in Sanskrit and Hindi.
While pursuing a masters degree in Sanskrit, Varma penned her first verses in secret —only to be discovered by her roommate and friend, Subhadra Kumari Chauhan (herself a well-known poet). As modern Hindi became more accepted in literary circles, Varma and Subhadra grew together as writers, reading aloud and publishing their work in the language. Today, Varma is considered one of the foundational poets of the Chhayavad movement in Hindi literature.
Varma’s poignant poetry, and later, essays, often centered on the experience of being a woman. Her feminist work appeared in magazines and books, and her collection of short stories, “Sketches from My Past,” portrays the women she encountered while principal of an all-girls school. While she was a firm supporter of women’s rights, Varma also explored the topics of tradition and the past with great fondness.
Varma received the Jnanpith Award on this date in 1982 for her outstanding contributions to Indian literature.
Doodle by guest artist Sonali Zohra
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Fanny Blankers-Koen’s 100th Birthday
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Wednesday, April 25, 2018
Monday, April 23, 2018
St. George's Day 2018
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Sunday, April 22, 2018
Earth Day 2018
“It is so important in the world today that we feel hopeful and do our part to protect life on Earth. I am hopeful that this Earth Day Google Doodle will live as a reminder for people across the globe that there is still so much in the world worth fighting for...With all of us working together, I am hopeful that it is not too late to turn things around, if we all do our part for this beautiful planet.”
- Dr. Jane Goodall
In 1970, 20 million Americans came together to deliver a message: our environment sustains us, and so we too must work to sustain it. Since then, Earth Day has spawned a movement of millions across the globe working towards a sustainable future. This day of solidarity sheds light on ways everyone can contribute to a better planet.
Today’s annual Earth Day Doodle was created in partnership with one of the planet’s most influential advocates: Ethologist (animal behavior expert), conservationist, activist, and animal-lover Dr. Jane Goodall, who has dedicated her life to studying and protecting our environment.
Born April 3, 1934, in London, England, Dr. Goodall always dreamt of living among wildlife in Africa. At 26, she followed her passion for animals and Africa to Gombe, Tanzania, where she began her landmark study of chimpanzees in the wild by immersing herself in their habitat as a neighbor, rather than a distant observer. Her discovery in 1960 that chimpanzees make and use tools rocked the scientific world and redefined the relationship between humans and the rest of the animal kingdom. As a UN Messenger of Peace, Dame Commander of the British Empire, and Founder of the Jane Goodall Institute, Dr. Goodall travels the world nearly 300 days a year, speaking about the threats facing chimpanzees, environmental crises, and her reasons for hope.
In today’s Doodle, Dr. Goodall shares her personal message to the world on Earth Day 2018, including some of her inspiration and what we can all do to have a positive impact on our planet. She shares: “It is so important in the world today that we feel hopeful and do our part to protect life on Earth. I am hopeful that this Earth Day Google Doodle will live as a reminder for people across the globe that there is still so much in the world worth fighting for. So much that is beautiful, so many wonderful people working to reverse the harm, to help protect species and their environments. And there are so, so many young people, like those in JGI’s Roots & Shoots program, dedicated to making this a better world. With all of us working together, I am hopeful that it is not too late to turn things around, if we all do our part for this beautiful planet.”
About the Jane Goodall Institute
After discovering that the survival of the chimpanzee species was threatened, Dr. Jane Goodall founded the Jane Goodall Institute in 1977, which uses a breakthrough approach to species conservation that improves the lives of people, animals, and the environment by honoring their connectedness to each other. JGI continues the field research at Gombe, and builds on Dr. Goodall's innovative approach to conservation, education, and advocacy. In 1991, she created Roots & Shoots, JGI’s global youth program that guides young people in nearly 100 countries in becoming conservation activists and compassionate citizens in their daily lives.
To check out what JGI has in store for Earth Day and beyond, read their blog here.
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Saturday, April 21, 2018
Jennie Trout's 177th Birthday
Thursday, April 19, 2018
Alice Salomon’s 146th Birthday
Today we celebrate the 146th birthday of German feminist, educator, economist and activist, Alice Salomon.
As was the norm in the late 19th century, Salomon was deterred from pursuing formal education, but she persevered becoming one of the first women in Germany to earn a doctorate degree. Her doctorate essay focused on pay inequalities between men and women.
Salomon is best known for her work in formalizing social work as an academic discipline. She pioneered the idea of social work education, founding the Social Women's School, and the German Academy for Women's Social and Educational Work.
In the years preceding the Second World War, Salomon relocated to the US, where she continued her research and social activism as President of the International Women's Federation and the International Association of Schools of Social Work.
The German government honoured her contribution to society by issuing a postage stamp in her memory in 1989.
Today's Doodle, by guest artist Thomke Meyer, pays tribute to her legacy as an educator, researcher and social activist. Happy Birthday, Alice!
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Yom Ha'atzmaut 2018
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Saturday, April 14, 2018
Pohela Boishakh 2018
Today’s Doodle celebrates Pohela Boishakh, the day when colorful street festivals mark the start of a new year in the lunisolar calendar. The calendar was originally commissioned by the Mughal Emperor, Akbar, who introduced the calendar to facilitate tax collections in the spring—just after the harvest.
Pohela Boishakh is a time to start fresh. People often celebrate by cleaning their entire home and decorating it with Alpana, a colorful painting made from rice and flour paste. The holiday is best known for its colorful celebrations and parades, like the one that takes place in Dhaka, (the capital of Bangladesh) every year.
In Dhaka, streets are filled with people who come to take part in the Mangal Shobhajatra procession. The procession was first organized in 1989 by the Faculty of Fine Arts at Dhaka University in order to symbolize peace and unity regardless of religion, gender, class, or age. The most iconic feature of the processions are the giant, colorful, representations of animals—like the elephant in today’s Doodle!
Shubho Noboborsho! (Happy New Year!)
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