6 July 1946: service extended to Possession Point, and 1948-11-01 to Kennedy Town. Patronage increased with the flow of refugees into Hong Kong fleeing the then raging civil war in mainland China, and the role borne by the route as a feeder route for ferries.
April 1962: service was extended to 02:00.
July 1962: route diverted to pass through Happy Valley.
10 April 1973: eastern terminus was changed to the magistrate in Causeway Bay (present day Park Towers).
1 May 1980: route cut back to Sai Ying Pun (Centre Street), and service was reduced to weekday mornings until evenings.
8 January 1982: eastern terminus moved to Whitfield Road.
9 December 1996: on request by residents and district councillors, the route returned to Kennedy Town, but not with all services due to lack of space at the terminus; morning services terminated in Sai Ying Pun.
20 January 1997: holiday services added, all terminating in Kennedy Town.
22 August 1998: since this date, all services terminated in Kennedy Town, by way of Hennessy Road instead of Queen's Road East.
31 May 2004: service was further extended to Mount Davis to take over 5A services west of Kennedy Town. Patronage remains high with the lack of MTR services in Western District.[1]
10 May 2015: route cancelled and will have Citybus Route 1 take over the Felix Villas section.