Honiara

City · c. 1979 CE · in Oceania

Capital of Solomon Islands (1979–today).

Roseau (c. 1979 CE): Capital of Commonwealth of Dominica (1979–today).
Port of Spain (c. 1976 CE): Capital of Republic of Trinidad and Tobago (1976–today).
Victoria (c. 1976 CE): Capital of Seychelles (1976–today).
North Nicosia (c. 1983 CE): Capital of Turkish Republic of Northern Cyprus (1983–today).
Yamoussoukro (c. 1983 CE): Capital of Republic of Côte d'Ivoire (1983–today).
Dhaka (c. 1973 CE): Capital of People's Republic of Bangladesh (1973–today).
Abu Dhabi (c. 1973 CE): Capital of United Arab Emirates (1973–today).
Suva (c. 1973 CE): Capital of Republic of Fiji (1973–today).
Sri Jayawardenepura Kotte (c. 1972 CE): Capital of Sri Lanka (1972–today).
Belmopan (1970 CE): Capital of Belize (1983–today).

Around the same time and place

Guadalcanal campaign (1942–1943 CE): Six-month Allied campaign from August 1942 to February 1943 on Guadalcanal, the first major Allied offensive against Japan.
Amelia Earhart’s round-the-world flight attempt (1937 CE): Amelia Earhart and navigator Fred Noonan flew eastward from Oakland via South America, Africa, India and Southeast Asia to Lae in New Guinea, about 35,000 km, before setting out on the long leg to Howland Island.
Battle of the Coral Sea (1942 CE): May 1942 naval battle between Japan and the US and Australia, the first in which aircraft carriers engaged and the opposing ships never sighted each other.
Kokoda Track campaign (1942 CE): Australian forces halted a Japanese overland advance on Port Moresby across the Owen Stanley Range between July and November 1942.
Independence of Papua New Guinea (1975 CE): Papua New Guinea became independent from Australian administration on 16 September 1975.
Bougainville Civil War (1988–1998 CE): Conflict in Papua New Guinea sparked by opposition to the Panguna copper mine, which killed thousands; Bougainville voted overwhelmingly for independence in 2019.