33rd century BC

From Encyclopedia Jr, free information reference for Kids

(34th century BC - 33rd century BC - 32nd century BC - other centuries)

(5th millennium BC - 4th millennium BC - 3rd millennium BC)

[edit] Events

• Unification of the first Ancient Egyptian state, marking the beginning of the Ancient Egyptian civilization.
• Ancient Egypt begin using clay, bone & ivory tags to label boxes. This is possibly the oldest writing in existence.
• Major climate shift possibly due to shift in solar activity. Glaciers expand, covering plants. Atmospheric temperatures fall to lowest levels.
• Sahara changes from a habitable region into a barren desert.
• Indus Valley Civilization (also known as Harappan civilization or Sindu-Sarasvati civilization) began in Harappa

[edit] Significant persons

[edit] Inventions, discoveries, introductions