• 20th century in Australia by city (17 C)
• 20th century in New Zealand by city (15 C)

0–9

• 1900s in Oceania by city (2 C)
• 1910s in Oceania by city (2 C)
• 1920s in Oceania by city (2 C)
• 1930s in Oceania by city (2 C)
• 1940s in Oceania by city (2 C)
• 1950s in Oceania by city (2 C)
• 1960s in Oceania by city (2 C)
• 1970s in Oceania by city (2 C)
• 1980s in Oceania by city (2 C)
• 1990s in Oceania by city (2 C)

N

• 20th century in Nouméa (2 P)