June 12, 1940 (Australian Navy) HMAS Manoora (F48) intercepted Italian merchant ship Romolo and scuttled her off Nauru.

German missions against Nauru

December 27, 1940

(Kriegsmarine) German Raider Komet bombarded the phosphate mine damaging the cantilever loading wharf, oil tanks and other facilities.

Japanese missions against Nauru

August 25, 1942

(IJN) Nine Japanese twin-engined bombers hit Nauru, destroying a clinic.

American missions against Nauru and Nauru Airfield

January 28, 1943–October 30, 1944

January 28, 1943

(7th AF) One B-24 flies photographic reconnaissance over Nauru.

February 9, 1943

(13th AF) Lost on a reconnaissance mission over Nauru is B-17F "My Lovin' Dove" 41-24450 (crew rescued 50 days later).

March 26, 1943

(7th AF) B-24's bomb the airfield on Nauru.

April 20, 1943

(7th AF) 22 B-24's, from Funafuti, carry out a photo-bombing mission over Nauru. Several direct hits on runways and the dispersal areas are claimed.

June 19, 1943

(7th AF) During the night of 18/19 Jun, B-24's bomb Nauru.

June 28, 1943

(7th AF) A bombing mission against Nauru is hampered by engine trouble and bad weather, only two B-24s bomb the target with unobserved results.

September 18, 1943

(7th AF) B-24's bomb Naru Airfield and attack a phosphate plant and radio station on Nauru.

November 21, 1943

(7th AF) B-24's from Funafuti Atoll and Nanumea in the Ellice bomb Nauru in the Gilberts.

November 28, 1943

(7th AF) 11 B-24's from Nanumea hit Nauru.

December 4, 1943

(7th AF) 8 B-24's from Funafuti attack Nauru.

December 8, 1943

(USN) A striking force of two carriers including USS Monterey (CVL-26), six battleships including USS Massachusetts BB-59, and twelve destroyers bombed and bombarded enemy installations on Nauru. Shot down by anti-aircraft fire over Nauru are F6F Hellcat 26088 and TBF Avenger 47589 (rescued).

January 27, 1944

(7th AF) Six B-25's hit Nauru.

March 12, 1944

(7th AF) B-24s bomb Nauru.

May 12, 1944

(7th AF) Twelve B-25s bomb Nauru.

May 16, 1944

(7th AF) B-25s bomb Nauru.

June 2, 1944

(7th AF) B-25s bomb Nauru.

June 3, 1944

(7th AF) B-25s bomb Nauru.

June 5, 1944

(7th AF) B-25s bomb Nauru.

June 8, 1944

(7th AF) B-25s bomb Nauru.

June 10, 1944

(7th AF) B-25s bomb Nauru.

June 13, 1944

(7th AF) B-25s bomb Nauru.

June 17, 1944

(7th AF) B-25s bomb Nauru.

June 18, 1944

(7th AF) B-25s bomb Nauru.

June 26, 1944

(7th AF) B-25s bomb Nauru.

June 29, 1944

(7th AF) B-25s bomb Nauru. Lost is B-25G "Coral Princess" 42-64977 (KIA).

July 6, 1944

(7th AF) B-25s bomb Nauru.

July 13, 1944

(7th AF) B-25s bomb Nauru.

July 23, 1944

(7th AF) B-25s bomb Nauru.

July 31, 1944

(7th AF) B-25s bomb Nauru.

August 6, 1944

(7th AF) B-25s bomb Nauru.

August 12, 1944

(7th AF) B-25s bomb Nauru.

August 21, 1944

(7th AF) B-25s bomb Nauru.

August 24, 1944

(7th AF) B-25s bomb Nauru.

August 29, 1944

(7th AF) B-25s bomb Nauru.

September 2, 1944

(7th AF) B-25s bomb Nauru.

September 5, 1944

(7th AF) B-25s bomb Nauru.

September 9, 1944

(7th AF) B-25s bomb Nauru.

September 12, 1944

(7th AF) B-25s bomb Nauru.

September 17, 1944

(7th AF) B-25s pound Nauru.

September 20, 1944

(7th AF) B-25s pound Nauru.

September 22, 1944

(7th AF) B-25s pound Nauru.

September 26, 1944

(7th AF) B-25s pound Nauru.

October 1, 1944

(7th AF) B-25s bomb Nauru.

October 5, 1944

(7th AF) B-25s bomb Nauru Airfield runways and gun positions.

October 10, 1944

(7th AF) Twelve B-25s bomb Nauru Airfield runways and adjacent AA positions.

October 13, 1944

(7th AF) B-25s bomb Nauru.

October 17, 1944

(7th AF) B-25s hit Nauru.

October 22, 1944

(7th AF) B-25s bomb Nauru.

October 26, 1944

(7th AF) 15 B-25s bomb Nauru Airfield area.

October 30, 1944

(7th AF) B-25s strike Nauru.