2. The wheel is invented., 5. The construction of the Pyramids started., 9. Woolly mammoths become extinct., 6. The first Olympic Games are held., 3. The paper is invented in China., 1. The printing press is invented., 8. Christopher Columbus explored the Americas., 4. The telephone is invented., 7. People land on the Moon.

Timeline

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？