🎂 Conté, inventor of the pencil lead (1755)
Where: Aunou-sur-Orne (Saint-Céneri), Normandy
Nearby on the globe: Chartres Cathedral → 🌍 Open the 3D globe
📅 On This Day: August 4
August 4, 1755: Conté, inventor of the pencil lead. On 4 August 1755, Nicolas-Jacques Conté was born in Normandy, France. In 1795 he made the modern pencil lead by mixing powdered graphite with clay. By changing the amount of clay, pencils could be made darker or lighter.
✨ More events on this day
- 1834 🔬 Mathematician John Venn was born in 1834; he made the overlapping-circle pictures called Venn diagrams that students still use to sort things into groups.
- 1887 🌿 Granny, a famous sea anemone kept in Edinburgh, died in 1887 after living in a tank for nearly 60 years, an amazing age for such a small animal.
- 2007 🚀 NASA launched the Phoenix Mars lander in 2007; the next year it landed near Mars's north pole and dug up ice hidden under the soil.
🧠 Question of the day
What did Conté mix with powdered graphite?
- Clay
- Sand
- Sugar
Show the answer
Answer: Clay
Questions
What happened on August 4?
August 4, 1755: Conté, inventor of the pencil lead. It happened in Aunou-sur-Orne (Saint-Céneri), Normandy.
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