• 21st-century debut works (7 C)

0–9

• 2000s works (59 C, 1 P)
• 2010s works (60 C)
• 2020s works (57 C)

A

• 21st-century albums (6 C, 1 P)
• 21st-century American animation (3 C)
• 21st century in animation (8 C, 1 P)
• 21st-century anime (4 C)

B

• 21st-century ballads (3 C)
• 21st-century ballet premieres (3 C)
• Works about the killing of Osama bin Laden (5 P)
• Works about the Boston Marathon bombing (5 P)
• Buildings and structures completed in the 21st century (29 C)

C

• 21st-century clothing (3 C)
• 21st-century comics (6 C)
• 21st-century compositions (3 C)
• Works about the COVID-19 pandemic (8 C, 14 P)

D

• 21st-century dance (4 C, 9 P)
• 21st-century documents (7 C, 3 P)
• 21st-century drawings (5 P)

E

• 21st-century essays (4 C, 1 P)

F

• Works about Facebook (2 C, 9 P)
• 21st-century films (78 C, 1 P)

I

• 21st-century inscriptions (1 P)

M

• 21st-century manga (3 C)
• 21st-century maps and globes (1 P, 1 F)
• Works based on the 2008 Mumbai attacks (2 C, 3 P)
• 21st-century murals (3 C)
• 21st century in music (28 C, 17 P)
• 21st-century musicals (3 C)

N

• Works about the 2011 Norway attacks (4 P)

O

• 21st-century operas (3 C, 1 P)

P

• 21st-century paintings (6 C, 2 P)
• 21st-century photographs (3 C)
• 21st-century plays (7 C)
• 21st-century poems (3 C, 1 P)

R

• 21st-century radio programme debuts (3 C)
• 21st-century radio programme endings (3 C)

S

• 21st-century science fiction works (7 C)
• 21st-century sculptures (5 C, 14 P)
• Works about the September 11 attacks (8 C, 11 P)
• 21st-century short stories (4 C)
• 21st-century short story collections (3 C)
• 21st-century singles (4 C)
• 21st-century software (5 C, 1 P)
• 21st-century speculative fiction works (5 C)
• 21st-century speeches (3 C)

T

• 21st-century television commercials (3 C)
• 21st-century television episodes (11 C)
• 21st-century television series (18 C, 1 P)
• 21st-century television series debuts (107 C)
• 21st-century television specials (5 C)

U

• Works about Uber (4 P)
• Works about United Airlines Flight 93 (4 P)

V

• 21st-century videos (4 C)

W

• Works about the Arab Spring (2 C, 5 P)