November 7, 1867: Scientist Marie Curie is born. Marie Curie (born Maria Skłodowska) was born in Warsaw, Poland. She discovered two new elements, polonium and radium. She is the only person ever to win Nobel Prizes in two different sciences, physics and chemistry.
1885 💡 At Craigellachie in British Columbia, the 'Last Spike' was hammered in, finishing Canada's first railway to cross the whole country from coast to coast.
1888 🔬 Physicist C. V. Raman was born in India. He discovered how light changes colour when it bounces off molecules, and won the Nobel Prize in Physics.
1996 🚀 NASA launched the Mars Global Surveyor. Circling Mars for years, it took thousands of pictures and made detailed maps of the red planet.