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Today is: April 28
Scroll to explore events active on this date.
For the current year, this category includes: 3160 events.
Category: Science & Mathematics
Highlighting global events relating to the sciences and mathematics.
Science and math is a heavy-duty category covering a lot of ground. It focuses on the sciences, including but not limited to astronomy, biology, chemistry, physics, geography, anthropology, engineering, and mathematics.
Science & Math Events
Earth Enters Global Boiling Stage (2023):...
Daily
In response to devastating wildfires and record-breaking temperatures, on July 28, 2023, UN Secretary-General António Guterres issued a dire warning about the impact of climate change. Describing the curr...
January
Earth Overshoot Day: July 31 (est)
Daily
Earth Overshoot Day marks when humanity has used more from nature than our planet can renew. It shows the deficit in natural resources, pollution versus our use, and destruction. Key contributors are indu...
January
Alan Turing Day (1912): June 23
Daily
Alan Turing was born on June 23, 1912, to Julius Mathison Turing and Ethel Sara in Paddington, England. During the Second World War, he worked for the Government Code and Cypher School (GC&CS), the cent...
January
Alan Turing Week: June 18–23
Weekly
Alan Turing (1912-1954) was an English mathematician, logician, computer scientist, and cryptanalyst who made significant contributions to various fields, including theoretical computer science, artificia...
January
Asteroid / Meteor Day, Intl. (1908): June...
Daily
International Asteroid Day is observed each year on the anniversary of the Tunguska impact over Siberia, Russia, on June 30, 1908. The day seeks to raise public awareness about asteroid impact hazards. Ev...
January
Barcode Day (1970): June 26
Daily
On June 26, 1974, the first product to have the barcode was swiped in Troy, Ohio—a pack of Wrigley’s gum. Today, the barcode is used in everything from retail to tracking cattle.
January
Chimborazo Day (EC): June 3
Daily
Chimborazo Day commemorates the non-active volcano representing the closest point on Earth to the Moon and the farthest point from the Earth's center. Though Mount Everest is the highest peak, in relati...
January
Cybersecurity Education Month, Ntl.: June
Monthly
Unmasking the Cybersecurity Workforce Shortfall: US Senate Initiates National Cybersecurity Education Month In response to the escalating prevalence of cyber threats, the United States Senate has designa...
January
Energy Shopping Day, Ntl.: June 23
Daily
National Energy Shopping Day encourages consumers and businesses in deregulated states to check their energy contracts and shop for a fixed-rate energy supplier. Annually on the first Monday of Summer. E...
January
Gastronomy Day, Sustainable: June 18
Daily
Gastronomy is the culinary science that examines the relationship between food and culture and how to prepare appetizing, nutritious, and delicious dishes. As part of the 2030 United Nations Sustainabilit...
January
Green Week, Great Big (UK): June 7-15
Weekly
GREAT BIG GREEN WEEK A Celebration of Climate Action and Sustainability The United Kingdom's Great Big Green Week is a nationwide event that underscores the critical importance of environmental conservat...
January
Gun Violence Awareness Day, Ntl.(1998): Ju...
Daily
Wear Orange on June 2 to honor the memory of the over 30,000 people a year that die from gun violence in the United States (with an additional 70,000+ injured). Of these, 33 percent are homicides, and 66...
January
Hurricane Season: June 1-October 31
Monthly
The hurricane season officially begins in June and ends in November. During this time, the Atlantic Ocean becomes the hub for hurricanes. In the northern Atlantic Ocean, the peak time for storms to develo...
January
Lightning Safety Day, Intl. (2011): June 2...
Daily
International Lightning Safety Day was created in 2015 to mark the anniversary of the June 28, 2011, lightning strike that killed 19 people. On June 28, 2011, a lightning strike at Runyanya Primary Schoo...
January
Monsoon Season (Asia) June 8 - September 3...
Monthly
The south and central Asia Monsoon Season starts around June 8 and ends around September 30. The total length of the season can vary from country to country. This phenomenon has economic importance to t...
January
Moon—First Quarter: June 2
Daily
The first quarter moon occurs when the moon is one-half illuminated by the sun. Each day forward increases the amount of the moon you can see. The first quarter typically occurs seven days after the New M...
January
Moon—Full: June 11
Daily
A full moon occurs when the moon is illuminated by the sun and on the opposite side of the earth. Its ecliptic longitude is 180 degrees. For centuries, people have applied names to full moons to track th...
January
Moon—New: June 25
Daily
The new moon occurs when the moon and the sun have the same elliptical longitude when the moon is at its closest point to the sun in its orbit. From earth, we usually cannot see it. The new moon is consid...
January
Moon—Third Quarter: June 18
Daily
Today is the third quarter of the moon, meaning it is halfway between the full moon and the new moon.
January
Oceans Day, World: June 8
Daily
World Oceans Day is a United Nations-recognized event that aims to protect the ocean. It seeks to remind people that: 1) Everyone is responsible for the ocean; 2) The ocean plays a vital role in ever...
January
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