1947001
Nation-Building
Independence and Partition
At midnight on 15 August 1947 India became free, and the Radcliffe Line split the subcontinent. Nehru's "Tryst with Destiny" opened the republic's political vocabulary; the migration that followed was the largest in modern history.
1947002
War & Security
Kashmir accedes; the first war
The Maharaja signed the Instrument of Accession that October. The war that followed ended at the 1949 ceasefire line and set an agenda that has outlived every government since.
1948003
Upheaval & Protest
Mahatma Gandhi is assassinated
30 January 1948. The killing shook the young state, brought a temporary ban on the RSS, and pushed the place of religion in public life to the centre of Indian politics.
1949004
Courts & Constitution
The Constitution is adopted
On 26 November 1949, after nearly three years of debate, the Constituent Assembly adopted the longest written constitution in the world — its drafting committee chaired by B. R. Ambedkar.
1950005
Nation-Building
India becomes a Republic
26 January 1950: the Constitution came into force, Rajendra Prasad became the first President, and the Election Commission of India was constituted a day earlier.
1950006
Nation-Building
Patel dies with the map complete
Sardar Patel, who folded some 560 princely states into the Union — Hyderabad by force in Operation Polo — died that December with integration essentially finished.
1951007
Courts & Constitution
The First Amendment
Within a year Parliament added "reasonable restrictions" on speech and created the Ninth Schedule to shield land reform from review — the opening move in a long contest between Parliament and the courts.
1951–52008
Elections & Power
The first general election
173 million voters, most of whom could not read, elected the first Lok Sabha across four months. Sukumar Sen's design of party symbols and separate ballot boxes made universal franchise work at scale.
1953009
Upheaval & Protest
A fast creates Andhra
Potti Sriramulu died on the 58th day of his hunger strike. Andhra State was announced within days, and language became the organising principle of the Indian map.
1955010
Reform & Rights
The Hindu Code Bills
Marriage, succession, minority and adoption law were rewritten, giving Hindu women rights of divorce and inheritance — and opening the still-unfinished debate over a uniform civil code.
1956011
Nation-Building
The States Reorganisation Act
On 1 November 1956 India's internal borders were redrawn along linguistic lines into fourteen states and six union territories — the single largest redrawing of the political map since 1947.
1956012
Upheaval & Protest
Ambedkar at Nagpur
That October Ambedkar and some 400,000 followers embraced Buddhism. His death seven weeks later turned Dalit assertion into a permanent and independent force in Indian politics.