20th Century World History and Indian Independence

Charan Singh served as Prime Minister from July 1979 to January 1980 but never faced Parliament during his tenure. His government operated primarily during President's Rule without seeking a confidence vote in the Lok Sabha. Other PMs listed (Morarji Desai, I.K. Gujral, Chandra Shekhar) all addressed Parliament.

Morarji Desai became the first Prime Minister from a non-Congress party when the Janata Party won the 1977 election after the Emergency period. He served as PM from 1977-1979, leading the first non-Congress government at the center. The other options (Chandra Shekhar, V.P. Singh, I.K. Gujral) all became PM later from non-Congress parties.

Atal Bihari Vajpayee is the longest-serving Prime Minister from a non-Congress party (BJP). He served two terms: 13 days in 1996, and a full term from 1998-2004, totaling approximately 6 years. Nehru and Indira Gandhi were from Congress, while Morarji Desai served only about 2 years.

Lal Bahadur Shastri gave the famous slogan 'Jai Jawan, Jai Kisan' (Hail the Soldier, Hail the Farmer) during the 1965 India-Pakistan war to boost national morale. The slogan honored both the armed forces defending the country and farmers feeding the nation. Shastri served as PM from 1964-1966.

P. V. Narasimha Rao was the first Prime Minister from South India (Andhra Pradesh), serving from 1991-1996. He is credited with opening India's economy and launching major economic reforms. H. D. Deve Gowda (from Karnataka) became PM later in 1996, making him the second PM from South India.

Vallabhbhai Patel was India's first Home Minister, serving from 1946 to 1950. Lal Bahadur Shastri was Prime Minister, Jayaprakash Narayan was a political leader, and Lala Lajpat Rai was a freedom fighter.

Mihir Sen was the first Indian to swim across the English Channel in 1958. He was a renowned long-distance swimmer who also swam across other important water bodies worldwide.

Dr. Sarvepalli Radhakrishnan served as India's first Vice President from 1952 to 1962. He was a renowned philosopher and later became the second President of India. Option C has a minor spelling error (RadhaKrishana vs Radhakrishnan) but clearly refers to the correct person.

Harilal Jekisundas Kania served as the first Chief Justice of India from 1950 to 1951. He was appointed to the newly established Supreme Court of India after independence. Madan Malviya was a freedom fighter and educator, not a judge.

Sukumar Sen was the first Chief Election Commissioner of India, serving from 1950 to 1958. He is renowned for successfully conducting India's first general elections in 1951-52, which were the world's largest elections at that time. D. Subbarao was a later RBI Governor.

Zimbabwe gained independence from British colonial rule on April 18, 1980, following a long liberation struggle. The country was previously known as Southern Rhodesia and then Zimbabwe Rhodesia during the transition period.

World War II began on September 1, 1939, when Nazi Germany invaded Poland, prompting Britain and France to declare war on Germany. The conflict lasted until 1945 and became the deadliest war in human history.

World War I began on July 28, 1914, triggered by the assassination of Archduke Franz Ferdinand of Austria a month earlier. The conflict lasted until November 1918 and involved most of the world's great powers.

The Battle of Waterloo (June 18, 1815) was Napoleon's final defeat, after which he was exiled to Saint Helena where he died in 1821. Trafalgar (1805) was a naval defeat, Austerlitz (1805) was one of his greatest victories, and Leipzig (1813) was an earlier defeat.

The American Revolutionary War (1775-1783) began in April 1775 with the Battles of Lexington and Concord. While 1775 is when fighting began, the war continued for eight years until 1783. The Declaration of Independence was issued in 1776.

The Treaty of Versailles (1919) officially ended World War I and imposed heavy reparations on Germany. It was signed at the Paris Peace Conference and redrew the map of Europe and the Middle East.

The second atomic bomb used in warfare was dropped on Nagasaki, Japan on August 9, 1945, by the United States. The first bomb had been dropped on Hiroshima three days earlier on August 6, 1945.

The first atomic bomb used in warfare was dropped on Hiroshima on August 6, 1945 by the United States. The bomb was called 'Little Boy' and devastated the city, leading to Japan's surrender.

The first atomic bomb used in warfare was dropped on Hiroshima on August 6, 1945 by the United States. The bomb was called 'Little Boy' and devastated the city, leading to Japan's surrender.