October 21, 1833: Alfred Nobel, founder of the Nobel Prize, is born. Inventor Alfred Nobel was born in Stockholm, Sweden. In his will he left his fortune to reward the people who do the most good for humankind. That is why the Nobel Prizes are still given every year.
🎂 Alfred Nobel, founder of the Nobel Prize, is born (1833)
1824 💡 Joseph Aspdin patented Portland cement in England. Mixed with sand, gravel and water, it makes the concrete used for buildings, bridges and roads all over the world.
1959 🎨 The Solomon R. Guggenheim Museum opened in New York City. Designed by Frank Lloyd Wright, it has a spiral ramp that visitors walk down past the art.
1965 🚀 Comet Ikeya–Seki swung just 450,000 kilometres from the Sun. It became so bright that people could see it in daylight, one of the brightest comets in a thousand years.