Kalu Singh, a sepoy from Pauri Garhwal, participated in the 1857 rebellion. He is considered one of the first martyrs from Uttarakhand, executed by the British for his role in the uprising.

The Coolie-Begar Movement (1921) in Kumaon was a major peasant protest against the forced labor system (begar) under the British. It gained strength during the Non-Cooperation Movement, led by activists like Badri Datt Pandey.

Ajay Pal (14th century) unified the Garhwal region, which was previously divided among small principalities. He established Srinagar (Garhwal) as the capital and laid the foundation for a unified Garhwal Kingdom.

Pradyumna Shah, the ruler of Garhwal, died fighting the Gorkhas in the Battle of Khurbura (1804). After his death and Gorkha occupation, the region later came under British control.

The Treaty of Sugauli (1815-1816) marked the end of the Anglo-Nepalese War, under which Nepal ceded large tracts of land (including Kumaon and Garhwal) to the British East India Company.

The Gorkhas of Nepal invaded and captured the Kumaon region in 1791 and the Garhwal region by 1803, ruling them until the Anglo-Nepalese War (1814–1816) led to the British taking control.

Vasu Dev is credited as the founder of the Katyuri Dynasty, which ruled the Kumaon region (mainly present-day Almora and surrounding areas) from around 7th to 11th century CE. Their capital was Baijnath (Kartikeyapura) in the Katyur valley.

The Cheer Pheasant, found in western Himalayas, especially in parts of Uttarakhand, was added to the IUCN endangered list in 2006 due to declining populations caused by habitat degradation and hunting.

Nainital experienced a sharp increase in tourist numbers in 2006, which caused strain on water supply, traffic congestion, and waste management issues. The state government faced pressure to enforce eco-sensitive zone regulations to curb haphazard construction.

The New Industrial Investment Promotion Policy (2006) offered various incentives such as tax holidays, land at concessional rates, and single-window clearances to attract industries, especially in the SIDCUL industrial areas.

Uttarakhand signed an MoU with Uttar Pradesh in 2006 to resolve long-standing issues related to power sharing, particularly concerning the Tehri and other joint power projects after the bifurcation of the state in 2000.

The Char Dham Yatra (Yamunotri, Gangotri, Kedarnath, Badrinath) in 2006 witnessed a record-breaking number of pilgrims, exceeding 7 lakhs, leading to concerns about ecological damage and infrastructure strain in the fragile Himalayan region.

Roopkund Lake, also known as the Mystery Lake, became the subject of detailed archaeological and forensic study in 2006 due to the discovery of hundreds of human skeletons. These remains are believed to date back to the 9th century CE and may be linked to a sudden hailstorm disaster.

Haridwar was one of the cities selected under the MNRE’s Solar Cities Programme in 2006. The goal was to reduce conventional energy demand by promoting solar energy and energy efficiency in urban areas.

In 2006, WWF-India released a report emphasizing the rapid retreat of Himalayan glaciers, including those in Uttarakhand, due to global warming. The Gangotri Glacier, in particular, was cited as retreating significantly, raising concerns over water security.

The Loharinag Pala Hydropower Project on the Bhagirathi River was a major source of contention. Environmentalists, including the Chipko Movement leader Sunderlal Bahuguna, opposed it due to threats to the Ganga's natural flow and ecology. The project was eventually scrapped in 2010.

The name "Uttaranchal" was officially changed to "Uttarakhand" on December 27, 2006 through the Uttaranchal (Alteration of Name) Act, 2006 passed by the Parliament. The name change was demanded by various political and cultural groups who believed "Uttarakhand" reflected the historical and cultural heritage more accurately.

Shri A.P. Navani was appointed as the first Chairman of the Uttarakhand Public Service Commission (UKPSC) after the state's formation in 2000. His leadership was instrumental in establishing the commission's foundational structures and processes.

In January 1921, a pivotal moment in the 'Kuli Begar' movement occurred on the banks of the Saryu River in Bageshwar. Protesters took a vow to resist the oppressive practice of forced labor imposed by the British, marking a significant step in the region's freedom struggle.

Historically, Uttarkashi was known as 'Barahat.' The town holds significant cultural and religious importance, often referred to as the 'Kashi of the North' due to its spiritual heritage and temples.

Munsyari, situated in the Pithoragarh district, is renowned for its rich tradition in woollen crafts, including shawls, carpets, and other handwoven items. The region is also known for its diverse range of herbs and serves as a hub for traditional artisanship.

On March 25, 1974, Gaura Devi led a group of women in Reni Village to embrace trees, preventing their felling by loggers. This act of non-violent protest became a significant part of the Chipko Movement, emphasizing forest conservation and women's role in environmental activism.

The 'Dola-Palki' movement was initiated by Jayanand Bhartiya in the Garhwal region to advocate for the rights of craftsmen, particularly concerning the traditional practice of carrying palanquins. This movement aimed to challenge and change the societal norms that restricted certain communities from participating in such customs.