4th millennium

Millennia:	3rd millennium · 4th millennium · 5th millennium
Centuries:	31st century · 32nd century · 33rd century · 34th century · 35th century · 36th century · 37th century · 38th century · 39th century · 40th century

The fourth millennium is a period of time that will begin on January 1, 3001, and will end on December 31, 4000, of the Gregorian calendar.

Centuries and Decades

• 31st century–3000s 3010s 3020s 3030s 3040s 3050s 3060s 3070s 3080s 3090s
• 32nd century–3100s 3110s 3120s 3130s 3140s 3150s 3160s 3170s 3180s 3190s
• 33rd century–3200s 3210s 3220s 3230s 3240s 3250s 3260s 3270s 3280s 3290s
• 34th century–3300s 3310s 3320s 3330s 3340s 3350s 3360s 3370s 3380s 3390s
• 35th century–3400s 3410s 3420s 3430s 3440s 3450s 3460s 3470s 3480s 3490s
• 36th century–3500s 3510s 3520s 3530s 3540s 3550s 3560s 3570s 3580s 3590s
• 37th century–3600s 3610s 3620s 3630s 3640s 3650s 3660s 3670s 3680s 3690s
• 38th century–3700s 3710s 3720s 3730s 3740s 3750s 3760s 3770s 3780s 3790s
• 39th century–3800s 3810s 3820s 3830s 3840s 3850s 3860s 3870s 3880s 3890s
• 40th century–3900s 3910s 3920s 3930s 3940s 3950s 3960s 3970s 3980s 3990s

In Fiction

• The JLA villain the Lord of Time is from the year 3786.
• The DC Comics Legion of Super-Heroes come from the 31st century.
• The Marvel Comics time-travelling villain Kang the Conqueror was born around the year 3000, and is descended from Nathaniel Richards, who travelled to that era making it a time of peace and prosperity.