Galileo Galilei (15 February 1564 – 8 January 1642), was an Italian physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. His achievements include improvements to the telescope and consequent astronomical observations and support for...
Many people have had a great influence upon our world. Some have changed it in a generally good way, such as Abraham Lincoln. Others have affected the world negatively, such as Adolph Hitler. Still others have changed the world thoroughly, their changes resounding through time, such as Christopher...
International Astrology Day (most often observed on either March 20 or March 21) is an annual observance/holiday celebrated by astrologers and astrology enthusiasts. It is seen by astrologers as the beginning (first day) of the astrological year. It is the first full day of the astrological sign of...
Global Accessibility Awareness Day (GAAD) is dedicated to increasing understanding and stimulating discussion about digital accessibility and inclusion. The purpose of the day is to get people talking, thinking and learning about digital (web, software, mobile, etc.) accessibility and users with...
Every year, the 21 June is taken as an opportunity to increase public awareness of the vital role that hydrography plays in everyone’s life. Hydrographic data provides a wealth of useful information to scientists conducting many types of research and hydrographers contribute to a healthy...
Mole Day is an unofficial holiday celebrated among chemists and chemistry students on October 23, between 6:02 AM and 6:02 PM, making the date 6:02 10/23 in the American style of writing dates. The time and date are derived from Avogadro's number, which is approximately 6.02×1023, defining the...