4th millennium

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
• 32nd century
• 33rd century
• 34th century
• 35th century
• 36th century
• 37th century
• 38th century
• 39th century
• 40th century

In fiction

• The TV show Futurama mainly takes place in the last two years of the 3rd millennium and the 30th century (2999–3000) in the first two seasons and in the third season and beyond in takes place in the first years of the 31st century (3001–3011). In this series, the head of Richard M. Nixon wins the planetary election of 3000 and becomes president of Earth.
• 3001: The Final Odyssey, the final novel in Arthur C. Clarke's Space Odyssey series takes place in 3001.
• 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.