The Lohba Revolt was part of the 1857 uprising where local leaders and villagers in Almora district rose against the British. Though not widely known, it was one of the first uprisings in the hill region during the Revolt of 1857.

Before unification by Ajay Pal, Garhwal was a fragmented region with 52 separate ‘Garhs’ or small principalities, each ruled by a local chief or king. Ajay Pal united these into a single kingdom in the 14th century.

The Battle of Khurbura (1804) was fought between the Gorkhas and the Garhwal King Pradyumna Shah. The king was killed in battle, and the Gorkhas captured Garhwal, ruling it until their defeat by the British in 1815.

Praja Mandal movements were launched in princely states like Tehri Garhwal in the 1930s–40s. They demanded civil rights, end of autocratic rule, and integration with independent India. Leaders like Sridev Suman played a key role.

Jahangir, in his memoirs “Tuzuk-i-Jahangiri”, described his failed expedition against Garhwal and the bravery of King Mahipat Shah. The Mughals could not gain a stronghold in the Garhwal region due to the rugged terrain and strong resistance.

The Tehri Garhwal princely state was ruled by the Shah dynasty until 1948, when Manabendra Shah, the last ruler, agreed to merge the state with the Indian Union. It became part of the United Provinces.

In 1916, the Salt Satyagraha (Salt Tax Protest) occurred in Kumaon, led by Badri Datt Pandey. It was one of the earliest organized resistance movements in the region against British taxation policies.

Baz Bahadur Chand, a prominent ruler of the Chand Dynasty, built the Golu Devta temple at Chitai in Champawat district. Golu Devta is revered as the God of Justice in Uttarakhand.

The Chand Dynasty ruled Kumaon from the 11th to 18th century. Their initial capital was Champawat, later shifted to Almora by Raja Rudra Chand. The dynasty built many temples and promoted art and architecture in the region.

The Skanda Purana refers to the present-day Uttarakhand as “Kedarkhand” (Garhwal region) and “Manaskhand” (Kumaon region). These texts describe religious places like Kedarnath, Badrinath, and Nainital, highlighting the region’s spiritual significance since ancient times.

The Uttarakhand Kranti Dal (UKD) was formed in 1979 and became the first political party to officially demand a separate state of Uttarakhand, focusing on issues of regional identity, development, and self-governance.

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.