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🌌 1️⃣ Universe Formation
| Event | Description | How Many Years Ago (Approx.) |
|---|---|---|
| 🌀 Formation of the Universe | Big Bang — beginning of space and time | 1380 crore years ago |
| 🌠 Formation of the Milky Way Galaxy | Our galaxy begins forming | 1360 crore years ago |
☀️ 2️⃣ Solar System & Earth Formation
| Event | Description | How Many Years Ago (Approx.) |
|---|---|---|
| 🌞 Formation of the Sun | Birth of our solar system’s star | 460 crore years ago |
| 🌍 Formation of the Earth | Earth forms from solar nebula | 454 crore years ago |
| 🌕 Formation of the Moon | After a giant impact on early Earth | 450 crore years ago |
| 🪐 Formation of Other Planets | Planets like Jupiter, Saturn, etc. form | ≈450–460 crore years ago |
🧫 3️⃣ Origin and Evolution of Life
| Event | Description | How Many Years Ago (Approx.) |
|---|---|---|
| 🌊 First Life on Earth | Single-celled organisms appear | ≈350–380 crore years ago |
| 🌿 Photosynthesis Begins | Cyanobacteria start producing oxygen | ≈250–300 crore years ago |
| 🧬 Multicellular Life | Complex animals evolve | ≈60 crore years ago |
| 🐟 First Fish | Early vertebrates appear | ≈53 crore years ago |
| 🌱 First Land Plants | Plants colonize land | ≈47 crore years ago |
| 🦎 First Land Animals | Insects and amphibians move onto land | ≈40–35 crore years ago |
| 🦖 Dinosaurs Appear | Dominant reptiles on Earth | ≈23 crore years ago |
| ☄️ Dinosaurs Extinct | End of dinosaurs | ≈6.6 crore years ago |
| 🐁 First Mammals | Small warm-blooded animals evolve | ≈20 crore years ago |
👤 4️⃣ Human Evolution
| Event | Description | How Many Years Ago (Approx.) |
|---|---|---|
| 🧍♂️ First Humans (Homo genus) | Early human ancestors evolve | ≈25 lakh years ago |
| 🧠 Modern Humans (Homo sapiens) | Anatomically modern humans appear | ≈3 lakh years ago |
🏙️ 5️⃣ Human Civilization & Modern Era
| Event | Description | How Many Years Ago (Approx.) |
|---|---|---|
| 🌾 Farming / Agriculture Begins | Humans start growing crops | ≈10 000 years ago |
| 🏛️ First Civilizations | Writing and cities begin | ≈5 000 years ago |
| ⚙️ Industrial Revolution | Machines and industries develop | ≈250 years ago |
| 🔬 Modern Science & Technology Age | Electricity, medicine, industry | ≈150–100 years ago |
| 💻 Digital / Information Age | Computers, internet, AI | ≈50 years ago – present |