Timeline

• 1928: Started by Hong Kong Hotel
  Hong Kong Hotel
  The Hongkong Hotel was Hong Kong's first luxury hotel, modelled after sumptuous London hotels. It was opened on Queen's Road and Pedder Street in 1868., and expanded onto the Victoria Harbour waterfront of Victoria City in 1893.-The hotel:...
  
   between Causeway Bay
  Causeway Bay
  Causeway Bay is a heavily built-up area of Hong Kong, People's Republic of China, located on the Hong Kong Island, and covering parts of Wan Chai and Eastern districts. The Chinese name is also romanized as Tung Lo Wan as in Tung Lo Wan Road...
  
   and Shek Tong Tsui
  Shek Tong Tsui
  Shek Tong Tsui is a town in Sai Wan on the north shore of Hong Kong Island in Hong Kong. Administratively, it belongs to the Central and Western District....
  
  .
• 11 June 1933: Taken over by China Motor Bus
  China Motor Bus
  China Motor Bus Company Ltd. , often abbreviated as CMB, was the first motor bus company in Hong Kong, and was responsible for the introduction of double-decker buses to Hong Kong Island....
  
   as part of the Hong Kong Island bus franchise, and given the number 5. The route then served between Tai Hang
  Tai Hang
  Tai Hang is an area southeast of Causeway Bay located in the mid-north of Hong Kong Island in Hong Kong. The area is mainly residential.-Geography:...
  
   and Kennedy Town
  Kennedy Town
  Kennedy Town is at the western end of Sai Wan on Hong Kong Island in Hong Kong. It was named after Arthur Edward Kennedy, the 7th Governor of Hong Kong from 1872 to 1877...
  
   by way of Queen's Road
  Queen's Road
  Queen's Road is the first road in Hong Kong built by the Government of Hong Kong between 1841 and 1843, spanning across Victoria City from Shek Tong Tsui to Wan Chai...
  
   and Belcher's Street
  Belcher's Street
  Belcher's Street is a main street in Kennedy Town of Hong Kong. It connects east Victoria Road and joins west Queen's Road West. A small section in its west end built a turn around for Hong Kong Tramway....
  
  .
• Service suspended during Japanese occupation of Hong Kong
  Japanese occupation of Hong Kong
  The Japanese occupation of Hong Kong began after the Governor of Hong Kong, Sir Mark Young, surrendered the territory of Hong Kong to Japan on 25 December 1941 after 18 days of fierce fighting by British and Canadian defenders against overwhelming Japanese Imperial forces. The occupation lasted...
  
  .
• April 1946: Service resumed between Royal Pier, Central
  Central, Hong Kong
  Central is the central business district of Hong Kong. It is located in Central and Western District, on the north shore of Hong Kong Island, across Victoria Harbour from Tsim Sha Tsui, the southernmost point of Kowloon Peninsula...
  
   and Tai Hang
• 13 May 1946: Service extended to Central Ferry Piers.
• 6 July 1946: Service extended to Possession Point
  Possession Point
  Possession Point is a former point of land on the northwestern coast of Hong Kong Island in Hong Kong, before land reclamation moved the coast further north.- History :...
  
  , 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
  Happy Valley, Hong Kong
  Happy Valley is a mostly residential suburb of Hong Kong, located in the northern part of Hong Kong Island. Administratively, it is part of Wan Chai District....
  
  .
• 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 (Main Street), and service was reduced to weekday mornings until evenings.
• 8 January 1982: Eastern terminus moved to Whitefield Road.
• 1 September 1993: Route taken over by Citybus among a total of 26 routes taken over at the same time
  Network 26
  Network 26 is a network of 26 bus routes on Hong Kong Island previously belonging to China Motor Bus being annexed to Citybus by the Government of Hong Kong on 1 September 1993.-Background:...
  
  , with air-conditioned services added, but initially with the same service time.
• 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
  Hennessy Road
  Hennessy Road is a thoroughfare on Hong Kong Island, Hong Kong. It connects Yee Wo Street on the east in Causeway Bay, and Queensway on the western end in Wan Chai.The road is named after John Pope Hennessy, the Governor of Hong Kong between 1877 and 1882....
  
   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
  MTR
  Mass Transit Railway is the rapid transit railway system in Hong Kong. Originally opened in 1979, the system now includes 211.6 km of rail with 155 stations, including 86 railway stations and 69 light rail stops...
  
  services in Western District.