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Today is: April 29
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
TED Conference (CA-BC): April 7-11
Weekly
TED was created in 1984 by Richard Saul Wurman when he noticed a synergy between technology, entertainment, and design. The first TED included a demo of the compact disc, the ebook, and cutting-edge 3D gr...
January
Big Wind Day (1934): April 12
Daily
Today is the anniversary of the highest recorded wind gust felt by man in history, a record that stood for 62 years until 1996. It was in Mount Washington, New Hampshire, on April 12, 1934, that a wind...
January
Human Space Flight, Intl. Day of (1961): A...
Daily
International Human Space Flight Day celebrates the day humanity's dreams of space travel finally came true. On April 12, 1961, Russian cosmonaut Yuri Gagarin became the first man to fly into space and r...
January
Yuri's Night (RU)(1961): April 12
Daily
On April 12, 1961, Cosmonaut Yuri Gargarin entered history by becoming the first human being in space. The space race between the USSR and the USA was on, and it would not end until 1969 when a man would...
January
Medical Laboratory Week, Ntl.: April 13-19...
Weekly
Late April is National Medical Laboratory Week, or Lab Week. This week, laboratory workers, scientists, and administrative workers are acknowledged for their work and contributions to healthcare and scien...
January
Moon—Full: April 13
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
World Expo 2025 (JP): April 13 - October 1...
Monthly
<h1>THE WORLD EXPO (WORLD'S FAIR) COMES TO JAPAN</h1><h2><b><i>2025 is a World Expo year</i></b></h2><span><br>The World Expo, also known as the World's Fair, is a large international exhibition designed...
January
Look Up at the Sky Days: April 14
Daily
Look Up at the Sky Day urges each to pause from their regular life and look at the world around them. Celebrating is as simple as putting down your mobile devices, taking a deep breath, and looking up at...
January
Pathologist Assistant Day, Ntl. (1972): Ap...
Daily
Pathologist Assistants are health care professionals that work in pathology, providing surgical assistance on autopsies. National Pathologists' Assistants Day honors these professionals on the anniversary...
January
Laboratory Animals, World Week For: April...
Weekly
World Week for Animals in Laboratories occurs the week of the United Nation's World Laboratory Animals Day, April 24. The goal of this week is to spotlight this issue and educate people about how animals...
January
Sky Awareness Week: April 20-26
Weekly
Sky Awareness Week originated with meteorologist H. Michael Mogil and educator Barbara Levine, creator of "How The Weather Works." The event is celebrated in over 40 states and the District of Columbia. S...
January
Starlight, World Night in Defense of: Apri...
Daily
World Night in Defense of Starlight, also called "World Night in Defense of the Night Sky and the Right to Observe the Stars as a cultural, scientific and environmental humankind heritage," exists to help...
January
Creativity and Innovation Day, World: Apri...
Daily
World Creativity and Innovation Day, observed on 21 April, aims to raise awareness about the importance of creativity and innovation in all aspects of human development. Creativity can be interpreted in v...
January
Dark Sky Week, Intl.: April 21-28
Weekly
International Dark Sky Week (IDSA) is an Astronomy event organized by the International Dark-Sky Association. The mission of the IDSA is to protect the night skies in the present and for future generati...
January
Moon—Third Quarter: April 21
Daily
Today is the third quarter of the moon, meaning it is halfway between the full and new moon.
January
Earth Day: April 22
Daily
Earth Day began in 1970 to give voice to an emerging consciousness and channel human energy toward environmental issues. Earth Day is an opportunity for humans to conserve resources on earth, show our g...
January
Animals, Laboratory Animals, World Day for...
Daily
World Day for Laboratory Animals is a United Nations-recognized day commemorating the suffering and killing of millions of innocent animals in testing laboratories worldwide. Each nation has its organiza...
January
Girls in ICT Day, Intl.: April 24
Daily
ELEVATING GIRLS IN THE FIELDS OF INFORMATION AND COMMUNICATIONS TECHNOLOGY (ICT) International Girls in ICT Day is a global initiative supported by the International Telecommunication Union (ITU), a spec...
January
DNA Day, Ntl. (1953): April 25
Daily
National DNA Day marks the anniversary of the description of the double-helix DNA structure by James D. Watson and Francis H.C. Crick on this day in 1953. The discovery of DNA is considered one of the mos...
January
Chornobyl Disaster Remembrance Day, Intl....
Daily
On April 26, 1986, reactor number four at the Chornobyl Nuclear Power Plant outside the city of Pripyat exploded. It is the most significant nuclear accident to date. In 2016, the United Nations set asid...
January
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