Step 1: Understanding the Question:
The question requires identifying and briefly describing the significant historical event associated with each of the ten dates provided, primarily focusing on events relevant to Indian history.
Step 2: Identifying the Historical Events:
Below are the key events linked to each historical date:
\begin{description}[leftmargin=!, labelwidth=\widthof{j)}] \item[a) 185 B.C.:] This year marks the end of the Mauryan Empire. The last Mauryan emperor, Brihadratha, was assassinated by his commander-in-chief, Pushyamitra Shunga, who then established the Shunga Dynasty.
\item[b) 78 A.D.:] This year is recognized as the beginning of the Saka Era (or Shaka Samvat), a historical Hindu calendar. [42] It is widely associated with the accession of Kanishka, the most powerful ruler of the Kushan Empire.
\item[c) 1784 A.D.:] Pitt's India Act was passed by the British Parliament. This act increased the British government's control over the East India Company's administration in India. Also, the Asiatic Society of Bengal was founded in Calcutta by Sir William Jones.
\item[d) 1526 A.D.:] The First Battle of Panipat took place. Babur's invading forces defeated Ibrahim Lodi, the last Sultan of Delhi, which led to the end of the Delhi Sultanate and the establishment of the Mughal Empire in India.
\item[e) 1801 A.D.:] The British East India Company, under Governor-General Lord Wellesley, annexed the Carnatic Kingdom. This was a significant step in the consolidation of British power in Southern India.
\item[f) 1919 A.D.:] This was a tumultuous year in modern Indian history, marked by two major events. First, the repressive Rowlatt Act was passed, which allowed for detention without trial. [8, 20] Second, the tragic Jallianwala Bagh massacre occurred in Amritsar, where British troops fired on a peaceful gathering, killing hundreds. [8, 14, 20] The Government of India Act of 1919 (Montagu-Chelmsford Reforms) was also enacted this year.
\item[g) 1930 A.D.:] Mahatma Gandhi launched the Civil Disobedience Movement. The movement began with the historic Dandi March (or Salt March), where Gandhi and his followers marched to the sea to protest the British salt tax by making their own salt.
\item[h) 1942 A.D.:] The Quit India Movement (Bharat Chhodo Andolan) was launched by the Indian National Congress under the leadership of Mahatma Gandhi on August 8. It was a call for an immediate end to British rule in India.
\item[i) 1947 A.D.:] India gained its independence from British rule on August 15. [4, 5] This event was accompanied by the Partition of British India into two independent dominions, India and Pakistan.
\item[j) 1949 A.D.:] The Constituent Assembly of India adopted the Constitution of India on November 26. [9, 13, 17] The constitution came into effect on January 26, 1950, marking India's transition to a sovereign republic.
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