Complex sentence: Notable protests in 20th century, were that of 1906, followed by the 1921 protest which was linked with then independence movement imbued with Gandhian ideologies, the 1940s was again marked with a series of protests in Tehri Garhwal region.
Split into simpler sentences: Notable protests in 20th century, were that of 1906, followed by the 1921 protest which was linked with the independence movement imbued with Gandhian ideologies,. The 1940s was again marked by a series of protests in Tehri Garhwal region.