31st century BC

Millennium:
Centuries:	·  ·
Decades:

Events

Front and Back Sides of Narmer Palette, this facsimile on display at the Royal Ontario Museum, in Toronto, Canada. The Palette depicts Narmer unifying Upper Egypt and Lower Egypt

• c. 3100 BC — Narmer, pharaoh, rules (other dates are 3150 BC–3125 BC).)
• c. 3100 BC — Menes unites Ancient Egypt.
• c. 3100 BC — Predynastic period (Neolithic) ends in Ancient Egypt (other date is 3150 BC).
• c. 3100 BC — Early Dynastic (Archaic) period starts in Ancient Egypt (other date is 3150 BC).
• c. 3100 BC — First stage in the construction of Stonehenge.)
• c. 3100 BC — 2600 BC - Skara Brae, Orkney Islands, Scotland is inhabited. Discovered 1850.)
• c. 3100 BC — Anu Ziggurat and White Temple in Uruk, Mesopotamia (modern Warka, Iraq) are built.)
• c. 3050 BC — Menes, pharaoh, was born (another lists).)
• 3000 BC — Menes unifies Upper and Lower Egypt, and a new capital is erected at Memphis.)
• 3000 BC — Menes, pharaoh, died.)
• c. 3100 BC — Humans develop a writing system, cuneiform script.

Significant persons

• Wazner, king Serket pre-dynastic pharaohs of Egypt
• Narmer, founder of the First dynasty of Egypt
• Hor-Aha, Narmer's successor
• Methuselah, son of Enoch, (3073 BC–2104 BC) according to the Hebrew Calendar

Inventions, discoveries, introductions

• Chinese ideograms
• Drainage and sewage system in India
• Dams, canals, stone sculptures using inclined plane and lever in Sumer
• Pyramids in Ancient Egypt
• Copper was in use, both as tools and weapons

Mythology

• 9 October 3009 BC Julian Mahabharata war started (according to calculations of Aryabhatta).

Decades and years

[[::Decades|Decades]] and [[::Years|Years]]

31st century BC

[[::33rd century BC|33rd century BC]] ←[[::32nd century BC|32nd century BC]] ← ↔ →[[::30th century BC|30th century BC]]→[[::29th century BC|29th century BC]]

[[::3109–3100 BC|3109–3100 BC ]]	[[::3109 BC|3109 BC ]]	[[::3108 BC|3108 BC ]]	[[::3107 BC|3107 BC ]]	[[::3106 BC|3106 BC ]]	[[::3105 BC|3105 BC ]]	[[::3104 BC|3104 BC ]]	[[::3103 BC|3103 BC ]]	[[::3102 BC|3102 BC ]]	[[::3101 BC|3101 BC ]]	[[::3100 BC|3100 BC ]]
[[::3090s BC|3090s BC ]]	[[::3099 BC|3099 BC ]]	[[::3098 BC|3098 BC ]]	[[::3097 BC|3097 BC ]]	[[::3096 BC|3096 BC ]]	[[::3095 BC|3095 BC ]]	[[::3094 BC|3094 BC ]]	[[::3093 BC|3093 BC ]]	[[::3092 BC|3092 BC ]]	[[::3091 BC|3091 BC ]]	[[::3090 BC|3090 BC ]]
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[[::3070s BC|3070s BC ]]	[[::3079 BC|3079 BC ]]	[[::3078 BC|3078 BC ]]	[[::3077 BC|3077 BC ]]	[[::3076 BC|3076 BC ]]	[[::3075 BC|3075 BC ]]	[[::3074 BC|3074 BC ]]	[[::3073 BC|3073 BC ]]	[[::3072 BC|3072 BC ]]	[[::3071 BC|3071 BC ]]	[[::3070 BC|3070 BC ]]
[[::3060s BC|3060s BC ]]	[[::3069 BC|3069 BC ]]	[[::3068 BC|3068 BC ]]	[[::3067 BC|3067 BC ]]	[[::3066 BC|3066 BC ]]	[[::3065 BC|3065 BC ]]	[[::3064 BC|3064 BC ]]	[[::3063 BC|3063 BC ]]	[[::3062 BC|3062 BC ]]	[[::3061 BC|3061 BC ]]	[[::3060 BC|3060 BC ]]
[[::3050s BC|3050s BC ]]	[[::3059 BC|3059 BC ]]	[[::3058 BC|3058 BC ]]	[[::3057 BC|3057 BC ]]	[[::3056 BC|3056 BC ]]	[[::3055 BC|3055 BC ]]	[[::3054 BC|3054 BC ]]	[[::3053 BC|3053 BC ]]	[[::3052 BC|3052 BC ]]	[[::3051 BC|3051 BC ]]	[[::3050 BC|3050 BC ]]
[[::3040s BC|3040s BC ]]	[[::3049 BC|3049 BC ]]	[[::3048 BC|3048 BC ]]	[[::3047 BC|3047 BC ]]	[[::3046 BC|3046 BC ]]	[[::3045 BC|3045 BC ]]	[[::3044 BC|3044 BC ]]	[[::3043 BC|3043 BC ]]	[[::3042 BC|3042 BC ]]	[[::3041 BC|3041 BC ]]	[[::3040 BC|3040 BC ]]
[[::3030s BC|3030s BC ]]	[[::3039 BC|3039 BC ]]	[[::3038 BC|3038 BC ]]	[[::3037 BC|3037 BC ]]	[[::3036 BC|3036 BC ]]	[[::3035 BC|3035 BC ]]	[[::3034 BC|3034 BC ]]	[[::3033 BC|3033 BC ]]	[[::3032 BC|3032 BC ]]	[[::3031 BC|3031 BC ]]	[[::3030 BC|3030 BC ]]
[[::3020s BC|3020s BC ]]	[[::3029 BC|3029 BC ]]	[[::3028 BC|3028 BC ]]	[[::3027 BC|3027 BC ]]	[[::3026 BC|3026 BC ]]	[[::3025 BC|3025 BC ]]	[[::3024 BC|3024 BC ]]	[[::3023 BC|3023 BC ]]	[[::3022 BC|3022 BC ]]	[[::3021 BC|3021 BC ]]	[[::3020 BC|3020 BC ]]
[[::3010s BC|3010s BC ]]	[[::3019 BC|3019 BC ]]	[[::3018 BC|3018 BC ]]	[[::3017 BC|3017 BC ]]	[[::3016 BC|3016 BC ]]	[[::3015 BC|3015 BC ]]	[[::3014 BC|3014 BC ]]	[[::3013 BC|3013 BC ]]	[[::3012 BC|3012 BC ]]	[[::3011 BC|3011 BC ]]	[[::3010 BC|3010 BC ]]
[[::3009–3000 BC|3009–3000 BC ]]	[[::3009 BC|3009 BC ]]	[[::3008 BC|3008 BC ]]	[[::3007 BC|3007 BC ]]	[[::3006 BC|3006 BC ]]	[[::3005 BC|3005 BC ]]	[[::3004 BC|3004 BC ]]	[[::3003 BC|3003 BC ]]	[[::3002 BC|3002 BC ]]	[[::3001 BC|3001 BC ]]	[[::3000 BC|3000 BC ]]
[[::2990s BC|2990s BC ]]	[[::2999 BC|2999 BC ]]	[[::2998 BC|2998 BC ]]	[[::2997 BC|2997 BC ]]	[[::2996 BC|2996 BC ]]	[[::2995 BC|2995 BC ]]	[[::2994 BC|2994 BC ]]	[[::2993 BC|2993 BC ]]	[[::2992 BC|2992 BC ]]	[[::2991 BC|2991 BC ]]	[[::2990 BC|2990 BC ]]

[[::Centuries|Centuries]] and [[::Millennia|Millennia]]

Millennium	Century
Before Christ / Before Common Era (BC/BCE)
[[::4th millennium BC|4th]]:	[[::40th century BC|40th]]	[[::39th century BC|39th]]	[[::38th century BC|38th]]	[[::37th century BC|37th]]	[[::36th century BC|36th]]	[[::35th century BC|35th]]	[[::34th century BC|34th]]	[[::33rd century BC|33rd]]	[[::32nd century BC|32nd]]	[[::31st century BC|31st]]
[[::3rd millennium BC|3rd]]:	[[::30th century BC|30th]]	[[::29th century BC|29th]]	[[::28th century BC|28th]]	[[::27th century BC|27th]]	[[::26th century BC|26th]]	[[::25th century BC|25th]]	[[::24th century BC|24th]]	[[::23rd century BC|23rd]]	[[::22nd century BC|22nd]]	[[::21st century BC|21st]]
[[::2nd millennium BC|2nd]]:	[[::20th century BC|20th]]	[[::19th century BC|19th]]	[[::18th century BC|18th]]	[[::17th century BC|17th]]	[[::16th century BC|16th]]	[[::15th century BC|15th]]	[[::14th century BC|14th]]	[[::13th century BC|13th]]	[[::12th century BC|12th]]	[[::11th century BC|11th]]
[[::1st millennium BC|1st]]:	[[::10th century BC|10th]]	[[::9th century BC|9th]]	[[::8th century BC|8th]]	[[::7th century BC|7th]]	[[::6th century BC|6th]]	[[::5th century BC|5th]]	[[::4th century BC|4th]]	[[::3rd century BC|3rd]]	[[::2nd century BC|2nd]]	[[::1st century BC|1st]]
Anno Domini / Common Era (AD/CE)
[[::1st millennium|1st]]:	[[::1st century|1st]]	[[::2nd century|2nd]]	[[::3rd century|3rd]]	[[::4th century|4th]]	[[::5th century|5th]]	[[::6th century|6th]]	[[::7th century|7th]]	[[::8th century|8th]]	[[::9th century|9th]]	[[::10th century|10th]]
[[::2nd millennium|2nd]]:	[[::11th century|11th]]	[[::12th century|12th]]	[[::13th century|13th]]	[[::14th century|14th]]	[[::15th century|15th]]	[[::16th century|16th]]	[[::17th century|17th]]	[[::18th century|18th]]	[[::19th century|19th]]	[[::20th century|20th]]
[[::3rd millennium|3rd]]:	[[::21st century|21st]]	[[::22nd century|22nd]]	[[::23rd century|23rd]]	[[::24th century|24th]]	[[::25th century|25th]]	[[::26th century|26th]]	[[::27th century|27th]]	[[::28th century|28th]]	[[::29th century|29th]]	[[::30th century|30th]]
[[::4th millennium|4th]]:	[[::31st century|31st]]