640s

Summary

640s is a decade^[1]. 640s has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.^[2]

Key Facts

• 640s's instance of is recorded as decade^[3].
• 640s followed 630s^[4].
• 640s was followed by 650s^[5].
• 640s is part of 7th century^[6].
• 640s's Commons category is recorded as 640s^[7].
• 640s comprises 648^[8].
• 640s comprises 640^[9].
• 640s comprises 642^[10].
• 640s comprises 645^[11].
• 640s comprises 647^[12].
• 640s comprises 649^[13].
• 640s comprises 643^[14].
• 640s comprises 641^[15].
• 640s comprises 644^[16].
• 640s comprises 646^[17].
• 640s took place on January 1, 640^[18].
• 640s's topic's main category is recorded as Category:640s^[19].
• 640s's permanent duplicated item is recorded as Q31798924^[20].
• 640s's category for births in this time period is recorded as Category:640s births^[21].
• 640s's category for deaths in this time period is recorded as Category:640s deaths^[22].

Body

Definition and Type

640s's instance of is recorded as decade^[3].

Use and Application

Components include 648^[8], a year^[23]; 640^[9], a year^[24]; 642^[10], a year^[25]; 645^[11], a year^[26]; 647^[12], a year^[27]; and 649^[13], a year^[28]. 640s is part of 7th century^[6].

Why It Matters

640s has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.^[2] 640s is known by 4 alternative names across languages and contexts.^[29]