3rd millennium

The 3rd millennium began on January 1, 2000 and will end on December 31, 2999.

Millennia:	2nd millennium · 3rd millennium · 4th millennium
Centuries:	21st century · 22nd century · 23rd century · 24th century · 25th century · 26th century · 27th century · 28th century · 29th century · 30th century

Events

• By 2070, 1 to 3 billion people could be living in extreme heat because of climate change.
• 2285: On March 22, Easter will occur on its earliest possible date for the first time since the year 1818.
• 2400: The first century leap year since 2000.
• 2079: Any computer software using unsigned 16-bit binary day counts will overflow if it has a starting date of January 1, 1900 on June 6, 2079.
• 2800: The second century leap year since 2000.

Centuries and decades

21st century	2000s	2010s	2020s	2030s	2040s	2050s	2060s	2070s	2080s	2090s
22nd century	2100s	2110s	2120s	2130s	2140s	2150s	2160s	2170s	2180s	2190s
23rd century	2200s	2210s	2220s	2230s	2240s	2250s	2260s	2270s	2280s	2290s
24th century	2300s	2310s	2320s	2330s	2340s	2350s	2360s	2370s	2380s	2390s
25th century	2400s	2410s	2420s	2430s	2440s	2450s	2460s	2470s	2480s	2490s
26th century	2500s	2510s	2520s	2530s	2540s	2550s	2560s	2570s	2580s	2590s
27th century	2600s	2610s	2620s	2630s	2640s	2650s	2660s	2670s	2680s	2690s
28th century	2700s	2710s	2720s	2730s	2740s	2750s	2760s	2770s	2780s	2790s
29th century	2800s	2810s	2820s	2830s	2840s	2850s	2860s	2870s	2880s	2890s
30th century	2900s	2910s	2920s	2930s	2940s	2950s	2960s	2970s	2980s	2990s