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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
UFO Day, World (1942): July 2
Daily
World UFO Day seeks to educate people on the possible existence of unidentified flying objects (UFO) in the sky and to encourage the government to declassify UFO sighting files. The day chosen commemorate...
January
Aphelion Day: July 3
Daily
Aphelion Day occurs when the sun reaches its furthest point from the earth.
January
Fry an Egg on the Sidewalk Day: July 4
Daily
Fry an Egg on the Sidewalk Day is a bit of a joke, preying on an old wives tale. July is one of the hottest months in the United States. Some regions of the US have Fry an Egg on the Sidewalk events wher...
January
Environment Day, World: July 5
Daily
Created by the United Nations, each year, World Environment Day features a different focus and theme impacting different areas, ranging from pollution to sustainability. Held annually on July 5.
January
Math 2.0 Day: July 8
Daily
Math 2.0 Day celebrates the fusion of mathematics and STEM (Science, Technology, Engineering, and Mathematics) careers. Many knowledge careers in the 21st Century require a strong math and science backgro...
January
Space Shuttle Final Flight (2011): July 8
Daily
Today is the anniversary of the final flight of the Space Shuttle. It was at 5:57 AM on July 8, 2011, that the Atlantis shuttle returned to Cape Canaveral, Florida, after 30 years of service. It all beg...
January
Moon—Full: July 10
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
Carver Day: July 12
Daily
George Washington Carver was one of the most influential scientists of the early 20th century. He pioneered crop rotation and several food products we use today, including sweet potatoes, peanuts, and soy...
January
Sand and Dust Storms, Intl. Day on Combati...
Daily
THE UNITED NATIONS INTERNATIONAL DAY ON COMBATING SAND AND DUST STORMS The United Nations has launched the International Day for Action to Combat Sand and Dust Storms in a world increasingly impacted by e...
January
Embrace your Geekness Day: July 13
Daily
Geeks are those lovable members of our society who think a little differently, tend to be more studious than the rest, and often confound us with their ingenuity. Generally not overly social outside their...
January
Nitrogen Ice Cream Day (1909): July 13
Daily
Gustav Robert Paalen invented the Double Walled Vessel, a liquid nitrogen technology in tanks. The process allows the ice cream to be creamy and cool consistently. He received his patent on July 13, 1909,...
January
Perseid Meteor Shower: July 17-August 24
Monthly
The Perseid Meteor Showers are visible from the earth in the constellation of Perseus annually between July 17 and August 24 each year. When over 60 'falling stars' can be seen per hour, the peak days occ...
January
Yellow Pigs Day: July 17
Daily
Rest easy. This event has nothing to do with food and is kosher, halal, vegetarian, and vegan friendly. This little piggy does mathematics. Yellow Pigs Day is an annual celebration associated primarily...
January
Moon—Third Quarter: July 18
Daily
Today is the third quarter of the moon, meaning it is halfway between the full and new.
January
Chess Day, Intl. (1924): July 20
Daily
Fédération Internationale des Échecs (The World Chess Federation) was formed on July 20, 1924. International Chess Day celebrates that anniversary and one of the most thought-provoking and strategy teach...
January
Moon Landing Day (1969): July 20
Daily
Today is the anniversary of the Moon Landing. If you were alive on July 20, 1969, you were watching television. Personally, though alive, this writer does not recall it (I had just turned three, and my...
January
Pi Approximation Day: July 22
Daily
Pi Approximation Day is a play on numbers: the seventh month of the year and the twenty-second day of that month. Math enthusiasts celebrate this day as the standard approximation of pi: twenty-two divide...
January
Moon—New: July 24
Daily
The new moon occurs when the moon and the sun have parallel elliptical longitudes. The moon is at its closest point to the sun in its orbit, and we cannot see it from the earth. The new moon is considered...
January
Thermal Engineer Day, Ntl.: July 24
Daily
National Thermal Engineer Day celebrates the science and its pioneer, Frenchman Nicolas Leonard Sadi Carnot (June 1, 1796 - Aug. 24, 1832). Considered the Father of Thermodynamics, Nicolas Léonard Sadi C...
January
Mangrove Day, Intl.: July 26
Daily
International Mangrove Day raises awareness about a precious natural resource. Let me explain with a personal story. If you ever travel to Cinnamon Island in Sri Lanka, your tour guide will take you in...
January
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