here's the bigger picture of what bsp posted:
Administrative Map of Punjab 1909Timeline : Punjab
325 B.C.
Alexander the Great invaded Punjab
1577
Fifth Sikh Guru Ram Das founded city of Amritsar
1584-1598
Lahore under Akbar temporarily functioned as the capital of the Mughal Empire; Akbar had
Lahore Fort built.
1699
Militarization of Sikhism; formation of the Khalsa
1707
Mughal Emperor Aurangzeb had the Badshahi Masjid and the Alamgiri gateway to the fort built
1709-1710
Banda Singh briefly achieved Sikh independence from Mughal Empire
1716
Banda Singh executed by Mughals; open Sikh resistance against Mughal rule
1739-1747
Nadir Shah's invasion; Persian rule
1745-1756
Period of uncertainty; Lahore saw 9 governors come and go
1748-1769
Ahmed Shah Abdali's 9 invasions of the Punjab
1758
Sikh capture of Lahore
1763
Foundation to Patiala Fort laid
1764-1799
Rule of the Sikh Misls
1767
Afghans retook Lahore
1773
Death of Ahmad Shah Abdali
1783-1784
Famine Year
1793 Afghans ousted from Lahore; Afghan army routed
1795 Afghan invasion of the Punjab
1796-1797 Afghan invasion of India
1798 Afghan invasion of the Punjab
1799
Ranjit Singh ascended to the throne; retook Lahore from the Afghans who had taken in in 1798; R.S. began a policy of expansion which resulted in the unification of the Punjab
1803 an Earthquake struck Punjab
1806, 1809 Treaties of Lahore, between E.I.C. and Ranjit Singh, limiting the latter to the left bank of the Sutlej
1808 Patiala signed treaty with E.I.C. directed against Ranjit Singh
1809 E.I.C. granted protection to Nabha, Cis-Sutlej States
1814 an Earthquake struck Punjab
1827 Succession struggle in Jind; interventon of E.I.C. forces
1835 Rebellion in Jind; intervention of E.I.C. forces
1836 American Mission established in Ludhiana
1837-1838 Famine Year
1839 Death of Maharaja Ranjit Singh
1840 Death of Kharak Singh, son and successor of Ranjit Singh
1842 an Earthquake struck Punjab
1846 First Anglo-Sikh War
1848-1849 Second Anglo-Sikh War; Punjab annexed by the E.I.C.
1849 Board of Administration of Punjab formed
1852 Protestant mission established in Amritsar
1853 Board of Administration abolished; Chief Commissioner appointed
1853 Lahore became capital of E.I.C.-adminitered Punjab
1855 Census : population of the Punjab 13,000,000
1855-1870 Construction of railroad connecting Delhi, Punjab and Sindh
1856 Introduction of the Criminal Code in force in Bengal Presidency
1857-1858 Sepoy Rebellion; Raja of Jind sided with the British
1858 Delhi territory on the right bank of the Jumna transferred to the Punjab
1860-1861 Famine in district between Sutlej and Jumna
1862 Cholera epidemic
1865 an Earthquake struck Punjab
1870-1876 Completion of the Upper Bari Canal
1874 Peasant Rebellion in Jind
1876-1882 Construction of the Sirhind Canal
1882 Opening of Punjab University
1883 Coal Mining begun at Dandot
1884 Census : population of the Punjab 21,860,000
1895-1896 Famine Year
1897-1898 Famine Year
1899-1900 Famine; the worst since the British had taken over the Punjab
1900 Lyallpur founded
1901 North West Frontier Province established, separated from Punjab
1905 the Plague killed 390,000 in the Punjab
1905-1907 Punjab Agitation (in response to Russia's defeat in 1905)
1909
Elections for Punjab Legislative Assembly held; Minto Morley Reforms create separate electorates - Muslim, Non-Muslim
1914-1918 World War I; 60 % of the British Indian troops came from the Punjab
1915 Mutiny in Ferozepur, Lahore, Rawalpindi
1919 Amritsar Massacre
1920 Shiromani Akali Dal founded
1922 Unionist Party founded
1923 Unionist Party won elections to Punjab Legislative Assembly
1926 Unionist Party won elections to Punjab Legislative Assembly
1930 Great Depression; the price for wheat, Punjab's major export product, dropped from 4.25 to 1.5 Rs. per maund
1934 Unionist Party won elections to Punjab Legislative Assembly
1935 Government of India Act
1937 Unionist Party won election of 1937, formed Government of Punjab
1940 Muslim League, at session in Lahore, raised demand to form a separate Muslim state of Pakistan
1944 Price control for grain introduced
1946 Elections held in the Punjab; victory of the Muslim League; Unionist government resigned
1947
Punjab partitioned into a larger western part, with Lahore, allocated to Pakistan (1947 population 18,800,000, and into a smaller eastern part, with Amritsar, allocated to India (1947 population 12,650,000)
1948
Patiala, Nabha, Nalagarh, Malerkotla, Jind, Faridkot, Kapurthala, Kalsia joined the Indian Union, established PEPSU
1948 First Indo-Pakistani War
1956 East Punjab was merged with Patiala and East Punjab States Union
1958 Rawalpindi became temporary capital of Pakistan
1961-1963 Construction of Islamabad as Pakistan's new capital
1965 Second Indo-Pakistani War
1966
Indian part of Punjab partitioned into Haryana, Punjab; a third part of Punjab was added to Himachal Pradesh
1971
Third Indo-Pakistani War
1984
Amritsar (Indian Punjab) : Operation Blue Star
1998
Population of West Punjab (Pakistan section) 72,585,000
Ref:
http://www.zum.de/whkmla/region/india/tlpunjab.html