Malaita massacre

In September 1927, a group of Kwaio people on the island of Malaita in the British Solomon Islands Protectorate, led by a man named Basiana, planned an attack against William R. Bell, the colonial District Officer, and his party during an upcoming head-tax collection. The plotters were motivated by grievances against Bell and the colonial administration, including the empowerment of Christian coastal groups perceived as dishonouring Kwaio ancestors. Although word of the plot reached Bell in advance, he chose to proceed with a public tax-collection event rather than alternative, less exposed methods, believing this would demonstrate strength and secure compliance.

On 4 October 1927, at a tax-collection site near Singalagu Harbour, Basiana killed Bell with a rifle after paying his own tax. Other warriors simultaneously attacked Bell's assistant Kenneth Lillies and the accompanying police officers, including by collapsing the walls of the tax house onto policemen trapped inside. In total, 15 officials, including Bell and Lillies, were killed; one attacker was killed and about six were wounded in the fighting.

News of the killings reached the protectorate headquarters at Tulagi, prompting fears of a general uprising. The Australian government dispatched the warship HMAS Adelaide, and colonial officials organised a punitive expedition combining European volunteers, naval personnel, native carriers, and Malaitan police constables — many of whom had served under Bell and sought to avenge his death. Beginning in mid-to-late October 1927, this expedition moved into the Kwaio interior, arresting adult male members of the bush kin groups, including many elderly men not directly involved in the killings. The expedition and associated Malaitan police patrols also carried out a systematic desecration of Kwaio ancestral shrines and religious objects.

Estimates of Kwaio deaths during the expedition vary: police reported shooting 27 people described as attacking patrols, resisting arrest, or fleeing; missionary estimates put the toll at around 60, a figure later supported by ethnographer Roger M. Keesing after extensive research, who found 55 deaths verifiable with near certainty. Kwaio oral estimates run as high as 200, which Keesing attributed partly to deaths attributed to ancestral supernatural retribution following the shrine desecrations.

Between November 1927 and February 1928, 198 Kwaio were arrested and held in a stockade and later in prison at Tulagi without formal charges for an extended period. Poor conditions led to a dysentery outbreak in February 1928, with 173 prisoners hospitalised and 30 dying in custody. Following investigation, 11 men were charged with murder, of whom 6 were convicted, and of 71 people charged with lesser offences, 21 were convicted. Basiana was publicly hanged on 29 June 1928. A subsequent colonial regulation authorised continued detention of those not charged, though a British investigator later intervened to halt a proposed resettlement of the Kwaio and secure the return of remaining detainees to Malaita by August 1928.

The massacre and its aftermath had lasting effects on Kwaio society, including population shifts, changes in settlement patterns, and widespread conversion to Christianity following the destruction of traditional sacred sites.