- First in SIKKIM
- Woman legislative member-Kumari Hemlata Chettri
- Woman speaker of SLA- Kalawati Subba
- Woman Minister- R. Ongmoo
- DGP-TN Tenzing
- Deputy CM-PT Lucksom
- Speaker SLA-Chatur Singh Rai
- Chief Engineer-Fakir Chand Jali
- Election Commissioner-RN Sengupta
- Chief Justice-Rajendra Sacher
- Lal Bahadhur Pradhan from Pacheykhani, Pakyong. He was the first Police Officer of Sikkim when he joined the office in 1911.
- Menakshi Madan Rasaily is the first woman judge from Sikkim. She was appointed as Judicial Magistrate-cum-Civil Judge on December 1990.
- The first motarised vehicle that visited Sikkim was in the year 1925 and it was " Beatle"
- Beatle car was followed by Dodge cars in the 1930s thus began the fascinating journey of joining Siliguri with Gangtok.
- Real name of Danny Denzongpa-Tshering Phintsog
- the second highest mountain in Sikkim is Kabur tshu
- Singtam Senior Secondary School was earlier known as Gandhi School.
- The original name of Sirwani is Sirubari.
- Toppakhani Tunnel is the only motorable tunnel in Sikkim.
- Burn and Burn Company Pvt Ltd, Howrah built one of the oldest iron bridges in Sikkim, the iron bridge of Singtam in 1929.
- Gyamptso Sangdarpa is the real name of VC Ganju Lama
- Electricity first reached Pakyong on August 4, 1976 when BB Lal, the governor of Sikkim switched on the light at the stroke of 2 pm.
- The governor BB Lal inaugurated the Central School at Deorali on September 1, 1976.
- The first boiler farm in Sikkim was started at Baluakhani, Gangtok by the army personnel on November 22, 1976.
- Bhaichung Bhutia adjudged best footballer in the 1990 Subroto Cup.
- Namzyit Partam is the original name of Chungthang.
- Tri junction between Sikkim, Bhutan and Tibet is Batang Lho.
- Sir Donglas W. Fresh Field was the first European to explore Mt Kanchenjunga area.
- Paul Bauer was the first person to attempt Mt Kanchenjunga in the year 1929 followed by another attempt in 1931 where he was successful in reaching at the altitude of 7927m.
- The first expedition was led by a British team in 1955 followed by an Indian expedition in 1977.
Ten years later, another Indian attempt by the Assam Rifles claimed the life of the only Indian to conquer Mount Everest without oxygen.
- The last expedition from the Sikkim side was made by a joint Indo-Japanese team in 1991.
- Rabindra nath Tagore finds his Muse among the hills of Rinchepong. The noble laureate had also come visiting these parts and had put up at the Rinchepong Dak Banglow where he composed parts of his famous work "The Gitanjali".
- According to Hunter’s Statistical Account of Bengal, Teesta was originally a river of Ganga basin. The Teesta River which at present times flows down from the Darjeeling and Sikkim hills into Bangladesh to meet up with the Brahmaputra used to flow into the Mahananda and the Ganga in Bihar about 220 years ago. In 1787, due to heavy flood and devastating earthquake Teesta shifted its course to Brahmaputra basin.
- Dewans of Sikkim
Harishdwar Dayal (Political Officer) 06.06.1941
Nari Kaikhsru Rustomji 1954
Baleshwar Prasad ( Principal Administrative Officer) 22.08.1959
K.N.Haldipur ( Principal Administrative Officer) 1962
I.S.Chopra (Sidlon) 1969
- Some popular books on Sikkim
Gazetteer of Sikkim : Sir H.H.Rishley
Lepcha my vanishing Tribe: Ren. K.P. Tamsangmoo
Living with Lepchas: C.J.Moris
Sikkim koh Itihas: Joy Dhamala
Limboos of Eastern Himalayas: J.R. Subba
Time Change: Hope Cooke
Himalayan Journal: J.D Hooker
Folk Tales Of Sikkim: Sir George Kotturam
The Sikkim Saga: B.S.Das
Sikkim: A Conscience Chronicle: Sir L.A. Waddle
Smash And Grab; Annexation of Sikkim: Sunnanda Ray-Dutta
Inside Sikkim-Against the tide: Jigme N. Kazi
Sikkim- A Short Political History: B.B Gurung
Sikkim: A Himalayan Tragedy: Nari Rustomji,
Sikkim : A Traveler’s Guide : Arundhati Ray & Sujoy Das
Sikkim : Democracy and Social Change: Madhumita Bhadra
- April 1975 - The erstwhile Himalayan Kingdom Sikkim became the twenty¬second State of India by the Thirty eighth Amendment Act of the Indian Constitution.
- May 16, 1975 - Mr. Bipin Bihari Lal, ICS, sworn-in as the first Governor of Sikkim State.
- May 16, 1975 - Kazi Lhendup Dorjee Khangsarpa, sworn-in as the first Chief Minister of Sikkim State and his Council of Ministers.
- May 29, 1975 - Anti-Corruption branch set up in Gangtok.
- June 29, 1975 - Special Session of Sikkim Legislative Assembly held to ratify the Constitution (Thirty four Amendment) Bill, 1975.
- July 23, 1975 - First brain surgery performed by Dr. S.T.Pulger in S.T.N.M. Hospital, Gangtok
- August 13, 1975 - Sikkim Prevention of Transfer and Unauthorized Use of Lands Ordinance, 1975 promulgated.
- September 1, 1975 - Frontier Railway passenger Out agency opened at Sikkim Nationalised Transport Office at Gangtok.
November 11, 1975 - Mrs. Indira Gandhi, Prime Minister of India visited Sikkim.
- December 21, 1975 - Chief Minister, Mr. L.D. Kazi, laid the foundation stone of Temi Tea Factory in South Sikkim.
- February 17, 1976 - Mother Teresa visited Sikkim.
- April 5, 1976 - Devastating fire gutted down about hundred houses at Singtam.
- May 15, 1976 - Chief Minister, Kazi Lhendup Dorjee Khangsarpa inaugurated L.D. Kazi Bridge at Sirwani.
- October 18, 1979 - Mr. N.B. Bhandari sworn in as Chief Minister of Sikkim.
- October 28, 1979 - President of India, Mr.Neelam Sanjeeva Reddy visited Sikkim.
- January 9,1981- Homi J.H. Taleyarkhan appointed as 2nd Governor of Sikkim.
- April 13, 1981- The Union Finance Minister, Mr.R. Venkataraman inaugurated the Central Blood Bank of Sikkim
- November 6, 1981 - His Holiness the 16th Gyalwa Karmapa passes away.
- January 30, 1982 - Chogyal Palden Thondup Namgyal p***es away at the age of 59.
- May 1, 1982 - First Helicopter service between Bagdogra and Gangtok inaugurated.
- June 5,6, and 9,1982 - A portion of Tsongu Lake turned red.