Kosrae
Kosrae, recorded as Kusaie, Ualan and Strong’s Island.
158 events in the record, 1824–2026
How much was written down
Each star is an event in the record for Kosrae, set in the era it falls in. Dense skies mean many foreign ships, missions and officials wrote things down; sparse ones mean they did not, not that less happened.
Read the counts as a table
| Era | Pohnpei | Kosrae | Chuuk | Yap | Outer islands |
|---|---|---|---|---|---|
| The contact era 1820–1885 | 63 | 67 | 39 | 47 | 45 |
| Spanish rule 1885–1899 | 41 | 12 | 4 | 25 | 2 |
| German rule 1899–1914 | 46 | 10 | 16 | 30 | 8 |
| Japanese rule 1914–1941 | 37 | 10 | 28 | 25 | 8 |
| World War II 1941–1945 | 15 | 9 | 19 | 13 | 7 |
| The Trust Territory 1945–1979 | 53 | 13 | 44 | 32 | 8 |
| Road to nationhood 1965–1979 | 27 | 7 | 20 | 20 | 3 |
| Free association 1982–2026 | 95 | 42 | 72 | 51 | 17 |
| Politics and society since 1979 1979–2026 | 100 | 47 | 80 | 58 | 19 |
| Recent years 2023–2026 | 8 | 6 | 12 | 16 | 2 |
What the new research adds
Eyewitnesses of the 1820s saw a small, unarmed chiefdom
In June 1824 Lesson found Kosrae ruled by a paramount titled “Urosse toll,” living on Lelu with most of the people (Lesson). He counted about 100 chiefs and put the whole island at 1,200 people at most. He called hospitality “a distinctive trait” of Kosraeans and said theft was almost unknown.
Lütke stayed three weeks in December 1827 without “a drop of human blood” spilled (Lütke, vol. I). He saw no weapons, not even clubs, and counted about 800 adults. Kosraeans had already reworked tools left by the Coquille into small axes.
The church became a political institution
In 1869, under missionary influence, a council of seven commoners was set up, “a powerful blow” to chiefly government (Habele, Kosrae). By the 1930s Willard Price wrote that Kosrae was “practically run by a few missionaries” (Wikipedia, Kosrae). The 1920 Kolonial-Lexikon says the Boston Mission “repeatedly and energetically suppressed” revivals of old customs (Kolonial-Lexikon, Kusaie).
The same German entry says disease had almost extinguished the old culture, but health and birth rates were rising by 1920. It records the death of the aged paramount chief “Tokoscha” in September 1910 (Kolonial-Lexikon, Kusaie). In 2018, 90% of Kosrae’s people were Protestant, and Ahmadi Muslims reported police did not respond to threats there (US State Dept, 2018).
Japan ran Kosrae from Pohnpei, then fortified it
Kosrae was never a Japanese branch office; it fell under the Ponape branch (JACAR). Lelu counted as a local center of the Ponape branch in 1943 (Miyauchi 2018). Japanese Wikipedia dates a Kosrae public school to 1926, a claim not yet checked (ja.wikipedia).
Militarization began before the war, with a radio station at the Lelu police post in 1939 (Habele, Kosrae). On 16 February 1941, all Kosraean males aged 12 to 60 were called up for military training.
A bypassed fortress of 4,500 troops
By 1944 Kosrae held 3,811 army and 700 navy men under Lt. Gen. Yoshikazu Harada, in tunnels dug into the peaks (Wikipedia, Kosrae). US aircraft attacked from 17 February to 1 June 1944, but no ground battle took place (Pacific Wrecks). The garrison likely matched or exceeded the Kosraean population, an inference from Kosrae’s 5,491 people in 1980.
Harada surrendered aboard the destroyer USS Hyman on 8 September 1945 (Last Stand on Zombie Island). Lt. P.F. Woodhouse stayed on as military governor. The Hikawa Maru took the Japanese away on 4–6 November 1945 (WW2DB).
From a Pohnpei municipality to a state
Kosrae separated from Ponape District on 1 January 1977, under administrator James K. Pualoa (WorldStatesmen). The same source gives statehood as 1 May 1978, a date no second source confirms. Jacob Nena became the first elected governor in 1979, followed by Yosiwo George from 1983 to 1991.
Kosrae in national politics today
Lawyer Yoslyn Sigrah won Kosrae’s at-large seat in a special election on 4 July 2023 (Pacific Island Times). On 28 September 2023, senators from the other three states voted not to seat her. Kosrae’s Sen. Paliknoa Welly said “the wish of the people and State of Kosrae are being ignored” and raised secession.
Sigrah now sits in Congress; her official biography lists her in the 23rd and 24th Congresses (Congress of the FSM). Kosrae has produced only one president, Jacob Nena, who took office after Bailey Olter’s stroke (Pacific Island Times).
Kosrae through every era
Ten chapters, most recent open. Each starts with what the chapter says about Kosrae, then a spread of its events.
The contact era
Duperrey’s French ship Coquille anchored at Kosrae from 5 to 15 June 1824, then spent five days from 24 June circling Chuuk’s reef (Kosrae history outline, COM-FSM; Lesson 1839; Hezel, Truk). It also mapped Chuuk Lagoon from outside the reef, and its charts served ships for decades (Hezel, “Beginnings of Foreign Contact in Truk”).
Lütke’s Russian sloop Senyavin reached Kosrae in early December 1827, found the people friendly and left about 3 January 1828 (Lütke, vol. I; Miklukho-Maclay Foundation). These are Gregorian dates; Russian sources give Julian dates 12 days earlier.
Events
12 of 67 events, spread across the era.
- 5–15 Jun (sighted 3 Jun)
Duperrey’s French corvette Coquille spends about ten days at Kosrae; Lesson describes the island and its paramount chief.
- Jan
The brig Waverly is captured and its crew killed after its captain allegedly abducted a chief’s daughter, who drowned.
-
Five whalers stop at Okat during the year, three in harbor at once.
- 21 Mar
French corvette Bayonnaise visits; King George receives a uniform and brandy.
- Dec
Snow begins formal church services with King Lepalik I’s support.
-
Influenza kills 113 and sickens 88 of Kosrae’s 1,106 people.
-
Awane Lepalik II begins his reign (to 1863); a census finds 747 people.
- Jul
With 20 church members and 100 hearers, Snow leaves Kosrae for the Marshalls, returning yearly.
-
Chiefly titles drop to eight, and the king allows seven elected commoners to make laws.
- 15 Mar
A typhoon sinks Bully Hayes’s Leonora and two whalers in Utwe Harbor.
- 20 Feb
Under pressure from the German ship Franziska, Kosrae’s chiefs sign Hernsheim’s copra-indemnity agreement, a 133,000 lb claim.
- 18 Oct
SMS Albatros hoists the German flag over Kosrae, with Kubary as interpreter.
Spanish rule
Pohnpei became the seat of the Eastern Carolines, which included Chuuk and Kosrae. Spain took no part in the copra trade, which German firms dominated. (Valencina 1917)
Kosrae saw “no attempt to govern” its internal affairs (Kosrae outline). The sources used here don’t document any Spanish post in Chuuk. In practice the Spanish era is mainly a Pohnpei story, with Yap second.
Where the record is thin
12 Kosrae events recorded for these years, against 41 for Pohnpei.
Events
- 18 Oct
SMS Albatros hoists the German flag over Kosrae, with Kubary as interpreter.
-
Spanish rule begins, but Spain makes no attempt to govern Kosrae’s internal affairs.
-
The newly merged Jaluit Company opens a trading station on Kosrae.
-
Protestant missionary Alice C. Little begins service on Kosrae, staying until 1893.
-
Six-month reign of Awane Lepalik III.
-
Awane Sa II begins his reign, which lasts until 1910.
-
Missionary Jessie C. Hoppin begins service on Kosrae, lasting until 1914.
-
A tidal wave kills many people.
- about
Population reaches a low of about 300, down from about 3,000 in 1838.
- 3–4 Mar
Typhoon leaves “scarcely half a dozen houses” standing and nearly destroys breadfruit and coconut (outline: six houses destroyed, no deaths).
-
Earthquake and typhoon on Kosrae.
-
German rule over Kosrae begins, lasting until 1914.
German rule
The Hamburg South Seas Expedition ran from 1908 to 1910. Its Micronesian year, 1909–1910, led by Augustin Krämer, recorded Pohnpei, Chuuk, Kosrae, Yap and Palau (Habele, HOM vol. 40; Krämer-Bannow 1916). It documented genealogies, canoes, navigation and Nan Madol, and gathered objects now in German museums.
Where the record is thin
10 Kosrae events recorded for these years, against 46 for Pohnpei.
Events
-
German rule over Kosrae begins, lasting until 1914.
-
A religious revival brings about half the population into the church.
-
American missionary Dr. Edmond F. Rife arrives on Kosrae.
- 2 Feb
Rife founds Kosrae Christian Endeavor, with Alik Kefwas as first president.
-
Kosrae Christian Endeavor decides each village will hold its own service.
- 19–20 Apr (MicSem: 20 Apr; Kosrae outline: 19–22 Apr)
Typhoon kills 25–46 people; 113 more die later on Pingelap; Pohnpei damage about 4 million marks.
-
The Kosrae church becomes independent.
- 1909–1910
The Hamburg South Seas Expedition’s Micronesian year, under Augustin Krämer, records genealogies, canoes, navigation and Nan Madol, and collects objects.
- Sep
Aged paramount chief “Tokoscha” dies; the outline separately dates Awane Na’s (Palikna, John) reign from 1910. Equating Tokoscha with Sa II is unverified.
-
E. Sarfert’s Hamburg expedition monograph Die Insel Kusae is published.
Japanese rule
The civilian Nan’yō-chō ruled from Koror, with branch offices on Yap, Truk (on Natsushima, now Tonoas) and Pohnpei (JACAR branches). Kosrae was run from the Pohnpei branch. TIGHAR lists a Kosrae office, but JACAR is the official source (TIGHAR, citing Peattie).
Kosrae stayed lightly settled, with 25 Japanese among 1,189 Kosraeans in 1935. By 1945 the central and eastern Carolines held 14,066 Japanese, Okinawan and Korean civilians plus about 8,000 troops (Wikipedia, citing Poyer et al.).
Where the record is thin
10 Kosrae events recorded for these years, against 37 for Pohnpei.
Events
-
E. Sarfert’s Hamburg expedition monograph Die Insel Kusae is published.
- 1 Apr
Branch offices set at Ponape (Kolonia, covering Kusaie), Truk (Natsushima) and Yap by South Seas Government Order No. 4.
- Jan
US Marine spy Earl Ellis, taken ill sailing from Kusaie, resumes surveying the Marshalls and Ponape .
-
A Japanese census counts 1,189 Kosraeans and 25 Japanese nationals.
-
Government public-school attendance becomes compulsory for Kosraean children.
-
Development of Kosrae’s bauxite deposits is contemplated.
-
Postal savings accounts become mandatory for Kosraeans; a South Seas company fails to grow sugar.
-
Radio station JPK is licensed at Lelu police station; a truck-gardening scheme to feed troops starts.
-
A school for Japanese children is established on Kosrae.
- 16 Feb
All Kosraean males aged 12 to 60 are called to the Lelu playground for compulsory military training.
World War II
Yapese recall the war through bombing, labor drafts and “suffering,” and some war-claims disputes remain open (Poyer, “Yapese Experiences,” via Habele). Kosrae held about 4,500 Japanese troops under Lt. Gen. Yoshikazu Harada (Wikipedia, Kosrae; Last Stand on Zombie Island). No source yet covers Kosraean hunger or labor.
Truk’s commanders surrendered aboard USS Portland on 2 September 1945 (NHHC photo archive, via ibiblio). Lt. Gen. Mugikura Shunzaburō signed at Truk. Kosrae surrendered on 8 September aboard USS Hyman, and Pohnpei on 11 September (ja.wikipedia, Chuuk; JACAR, Ponape; Zombie Island).
Where the record is thin
9 Kosrae events recorded for these years, against 19 for Chuuk.
Events
- 16 Feb
All Kosraean males aged 12 to 60 are called to the Lelu playground for compulsory military training.
- early
Kosrae’s radio station JPK is probably in full operation.
- 5 Nov (or 4 Nov)
Truk, Ponape and Jaluit branches merge into the Eastern Branch at Truk; Ponape becomes a sub-office.
- 17 Feb–1 Jun
US aircraft attack Kosrae; no ground battle follows.
- by about May
Japanese civilians in the Eastern Branch are evacuated to Japan, though about 5,600 Japanese remain on Ponape at war’s end.
-
3,811 army and 700 navy men under Lt. Gen. Harada dig tunnel bunkers into Kosrae’s peaks .
- 8 Sep
Lt. Gen. Harada surrenders Kusaie aboard USS Hyman; Lt. P.F. Woodhouse stays as military governor.
- 4–6 Nov
The Hikawa Maru arrives at Kusaie on 4 November, takes on Japanese personnel and leaves 6 November.
-
The central and eastern Carolines hold 14,066 Japanese, Okinawan and Korean civilians plus about 8,000 troops.
The Trust Territory
The chapter “The Trust Territory” does not name Kosrae directly. Read the chapter: The Trust Territory
Where the record is thin
13 Kosrae events recorded for these years, against 53 for Pohnpei.
Events
12 of 13 events, spread across the era.
- 8 Sep
Lt. Gen. Harada surrenders Kusaie aboard USS Hyman; Lt. P.F. Woodhouse stays as military governor.
- 4–6 Nov
The Hikawa Maru arrives at Kusaie on 4 November, takes on Japanese personnel and leaves 6 November.
-
The central and eastern Carolines hold 14,066 Japanese, Okinawan and Korean civilians plus about 8,000 troops.
- Sep
Robert P. Thacker became Civil Administration Representative at Kusaie, then a sub-unit of Ponape.
- Feb–Mar
After a polio outbreak in the Marshalls, crash Sabin vaccination covered nearly all of Ponape Island, then Kusaie, Truk and Ponape’s outer atolls.
- Mar
Kusaie’s Joab Sigrah went to Saipan on the Council of Micronesia subcommittee drafting a charter for a Micronesian legislature.
- 1 Jan
Kusaie was renamed Kosrae and separated from Ponape as its own district, with James K. Pualoa as administrator.
- 1 May
WorldStatesmen lists Ponape, Kosrae and Yap as becoming “states” on this date; no second source confirms it.
- 12 Jul
Voters ratified the FSM Constitution: Yap 94.75%, Pohnpei 74.72%, Chuuk 69.72%, Kosrae 61.36% yes. The Marshalls and Palau rejected it.
- 1 Jan
Jacob Nena and Yosiwo George were sworn in as Kosrae’s first elected governor and lieutenant governor under a district charter.
- 27 Mar
Voters elected all 14 members of the first FSM Congress (four at-large senators and ten two-year members), all as independents.
- 10 May (Jensen: 19 May)
The FSM Constitution entered into force, now marked as Constitution Day.
Road to nationhood
Yap gave the strongest endorsement, and Kosrae the weakest among the four. Haglelgam also lists the Marianas as rejecting, but the Marianas had already left and did not vote (Haglelgam).
Where the record is thin
7 Kosrae events recorded for these years, against 27 for Pohnpei.
Events
- 2 Nov
Congress elections gave the new Kosrae district two senators (Joab Sigrah, Hirosi Ismael) and re-elected Olter, Nakayama and Mangefel.
- 1 Jan
Kusaie was renamed Kosrae and separated from Ponape as its own district, with James K. Pualoa as administrator.
- 1 May
WorldStatesmen lists Ponape, Kosrae and Yap as becoming “states” on this date; no second source confirms it.
- 12 Jul
Voters ratified the FSM Constitution: Yap 94.75%, Pohnpei 74.72%, Chuuk 69.72%, Kosrae 61.36% yes. The Marshalls and Palau rejected it.
- 1 Jan
Jacob Nena and Yosiwo George were sworn in as Kosrae’s first elected governor and lieutenant governor under a district charter.
- 27 Mar
Voters elected all 14 members of the first FSM Congress (four at-large senators and ten two-year members), all as independents.
- 10 May (Jensen: 19 May)
The FSM Constitution entered into force, now marked as Constitution Day.
Free association
The chapter “Free association” does not name Kosrae directly. Read the chapter: Free association
Where the record is thin
42 Kosrae events recorded for these years, against 95 for Pohnpei.
Events
12 of 42 events, spread across the era.
- 3 Jan
Yosiwo P. George succeeds Jacob Nena as Kosrae governor (to 14 Jan 1991).
- 11 Jan
Kosrae State Constitution takes effect; Governor Yosiwo George and Lt. Gov. Moses Mackwelung sworn in.
- 17 Mar
Bank of the FSM begins operating; its Tofol grand opening is held 23 July.
- 8–10 Jan
Typhoon Axel hits Kosrae, Pohnpei and Pingelap; US declaration DR-934 on 7 February.
- 9 Jan
Vincent A. Figir becomes Yap governor and Moses T. Mackwelung Kosrae governor.
- 5 May
Nena asks governors for drought data because the US declaration excluded Weno, Pohnpei and Kosrae main islands.
- 22 Jan
Kosrae is the first state to ratify the amended Compact; Yap, Chuuk and Pohnpei follow.
- 8–26 Dec
Tidal surges and high tides flood outer islands. Pohnpei (19 Dec), Kosrae (24 Dec), Chuuk and Yap (26 Dec) declare emergencies.
- 16 Feb–31 Aug
Measles outbreak: 393 cases and one child death, mostly among adults; mass vaccination follows.
- 2 Jul
Special election: Christian wins Pohnpei’s vacated at-large seat and Aren Palik wins Kosrae’s.
- 28 Sep
Senators from three states vote not to seat Sigrah; Kosrae Senator Welly raises secession.
- 17–19 Feb
Fourth Chief Executive Council meets in Kosrae and launches the Strategic Development Plan 2024–2043.
Politics and society since 1979
The government’s own Nakayama page calls him the only two-term president, which Mori’s 2007–2015 tenure now contradicts (FSM Government). Vice President Yosiwo George died in office in August 2022. Kosrae’s Aren Palik has served since 13 September 2022 (Wikipedia, VP of the FSM).
The FSM kept COVID out of its communities until 19 July 2022, when cases appeared in Pohnpei and Kosrae (FSM Embassy, Panuelo address). A vaccine mandate had been in place for about a year. Borders reopened to vaccinated travelers on 1 August 2022.
Where the record is thin
47 Kosrae events recorded for these years, against 100 for Pohnpei.
Events
12 of 47 events, spread across the era.
- 1 Jan
Jacob Nena and Yosiwo George were sworn in as Kosrae’s first elected governor and lieutenant governor under a district charter.
- 30 Jul
Kosrae adopts its state flag.
- 14 Oct
Kosrae constitutional referendum passes with 74 percent.
- 5 Sep
Nakayama vetoes Senator Isaac Figir’s Compact review bill; Congress overrides unanimously on 28 October (Kosrae abstaining).
- 8–10 Jan
Typhoon Axel hits Kosrae, Pohnpei and Pingelap; US declaration DR-934 on 7 February.
- Mar
Olter keeps Pohnpei’s at-large seat over Falcam, 5,557–4,898; Nena beats Yosiwo George in Kosrae.
- 11–12 Jan
Rensley A. Sigrah becomes Kosrae governor; Nena attends the 12 January inauguration.
- 7 Nov
State elections: Sebastian Anefal elected Yap governor; Kosrae heads for a gubernatorial run-off.
- 14 Mar
End of the reporting period for the Kosrae dengue outbreak: 729 suspected cases and no deaths.
- 2 Jul
Special election: Christian wins Pohnpei’s vacated at-large seat and Aren Palik wins Kosrae’s.
- 4 Jul
All nine constitutional amendments pass, including dual citizenship; Yoslyn Sigrah wins Kosrae’s at-large special election.
- 17–19 Feb
Fourth Chief Executive Council meets in Kosrae and launches the Strategic Development Plan 2024–2043.
Recent years
In March 2025, US Defense Secretary Hegseth announced $400 million to upgrade Yap’s airport for military use (Asia Matters for America). The source puts total Yap military spending at both “at least” and “up to” $2 billion. The East Micronesia Cable landed on Kosrae around September 2025, linking it to Pohnpei (SubTel Forum).
Where the record is thin
6 Kosrae events recorded for these years, against 16 for Yap.
Events
- 9–10 Jan
Charles Chieng becomes Yap governor (9 Jan) and Tulensa Palik Kosrae governor (10 Jan).
- 4 Jul
All nine constitutional amendments pass, including dual citizenship; Yoslyn Sigrah wins Kosrae’s at-large special election.
- 28 Sep
Senators from three states vote not to seat Sigrah; Kosrae Senator Welly raises secession.
- 21 Feb
A Starlink gateway goes live on Kosrae.
- 18 Aug
East Micronesia Cable lands in Kosrae; SubTel Forum reports the landing in early September.
- 17–19 Feb
Fourth Chief Executive Council meets in Kosrae and launches the Strategic Development Plan 2024–2043.