25 chronicle entries dated 21 December, spanning 16 years. Each records only time, place and people or organisations, with the source file and page number. Entries from volumes not yet published are not filled in, and no nearby date is substituted.
同一日日子相同、年份唔同 —— 唔一定同一件事。 · 志錄大事 · 全年份索引 · 呢日嘅 JSONSame calendar day, different years — not necessarily the same event.
涉及地點香港、香港島威靈頓炮台、九龍城、西貢火石洲、香港西貢火石洲、美國、深圳、香港國際機場東北面Places appearing in these entries (not an exhaustive list of where events happened).
同日條目
Chronicle entries dated 21 December (oldest first)
Every entry is citable. Press “Cite this entry” for a Chinese footnote, Chinese bibliography, APA or Chicago note — all derived from the registered source and the generated archive, never hand-written. If a registered source has no publication year, the citation prints the access date and says so.
冇 JavaScript 都用得:來源書目模板 / Source patterns (no JavaScript needed)
《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事) Hong Kong Chronicles: Overview and Chronology (c. 5000 BC–2017, over 6,500 events)
APAHong Kong Chronicles Institute (2020). Hong Kong Chronicles: Overview and Chronology (c. 5000 BC–2017, over 6,500 events) (p. 〈頁碼〉). /chronicle/archive/1872#〈條目編號〉
《香港志·自然》自然環境 Hong Kong Chronicles, Nature: Natural Environment
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Environmental Protection and Conservation (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/2015#〈條目編號〉
Substitute the entry’s page number and ID (shown as 〈頁碼〉/〈條目編號〉) into the pattern above. The same templates, plus rules and limits, are in the citation block of /api/v1/archive.json.
On 21 December 1872 the Hong Kong Government issued an ordinance setting out provisions for the temporary detention of foreign persons from outside China or Japan who were accused or convicted, during their transit through Hong Kong for repatriation.
On 21 December 1874, Charles Shadwell conducted geomagnetic observations at Wellington Battery on Hong Kong Island and recorded a magnetic inclination of 32 degrees 17.3 minutes.
On 21 December 1911, Sun Yat-sen arrived in Hong Kong aboard the British steamer SS Dewa, stayed for eight hours, and then left for Shanghai to prepare for the Republic of China; during his stay, he met separately with Miyazaki Toten, Hu Hanmin, Chen Shaobai, and Liao Zhongkai.
On 21 December 1948, a passenger aircraft of China National Aviation Corporation crashed at Firestone Island in Sai Kung due to dense fog covering the area.
On 21 December 1948, a passenger aircraft of China National Aviation Corporation crashed near Fire Stone Island in Sai Kung while flying from Shanghai to Hong Kong, killing all 35 people on board.
On 21 December 1951, the Immigration Department of the Police Force announced new immigration arrangements for Guangdong natives: residents of Guangdong Province, unless coming to Hong Kong via Macau, must possess documents for returning to the mainland; those entering from Macau must hold valid Hong Kong or Macau documents.
On 21 December 1963, the United States launched the TIROS 8 satellite into space, whose function was to transmit cloud images back to Earth in real time.
After the United States launched that satellite, the Observatory immediately tried to receive satellite images with equipment it had developed itself, and thereby became one of the earliest institutions outside the United States to obtain cloud pictures.
On 21 December 1977, the Hong Kong government announced that Greenwich Mean Time plus eight hours would be the territory's time system throughout the year, named Hong Kong Standard Time.
In 1995, the quantity of Dongjiang water supplied to Hong Kong was adjusted to 690 million cubic metres, and thereafter increased by 30 million cubic metres each year.
The agreement stipulated that the total supply in 2000 must reach 840 million cubic metres, with a final target of 1.1 billion cubic metres per year in 2008.
On 21 December 1996, the 400 members of the Selection Committee held the election of Provisional Legislative Council members in Shenzhen, producing 60 seats, including 33 incumbent Legislative Council members and 8 former Legislative Council members.
On 21 December 2004, the Ma On Shan Railway officially opened; the line is 11.4 kilometres long with nine stations along the route, running between Wu Kai Sha and Tai Wai.
On 21 December 2005, the Legislative Council vetoed the Government's proposed arrangements for the 2007 Chief Executive election and the 2008 Legislative Council election.
The archive holds 36501 entries, of which 8766 are dated to an exact day — those are the only ones used here. Entries dated only to a month or a year are never forced into a day. Coverage reflects published volumes only; missing years are not filled in.