Timelines.......

560-480 BCE: Anga, Buddha

Before 325 BCE: Anga, Nanda clan in Magadha, Licchavis in Vaishali

325-185 BCE: Maurya Dynasty

250 BCE: 3rd Buddhist Council

185 BCE-80 CE: Sunga Dynasty

80 - 240: Regional kings

240 - 600: Gupta Dynasty

600 - 650: Harsha Vardhana

750 - 1200: Pala Dynasty

1200: Muhammad of Ghori's army, destroys the universities at Nalanda and Vikramshila

1200-1250: Decline of Buddhism

1250-1526: Ruled by Delhi Sultanate (Muslim Turks - Tughluqs, Sayyids, Lodis)

1526-1540: Babur defeats last Delhi sultan, establishes Mughal Empire

1540-1555: Suri dynasty captures empire from Mughals (including Shershah Suri who built the Grand Trunk Road)

1526-1757: Mughal dynasty resumes

1757-1857: British East India Company rule

1857: Revolt of 1857

1857-1947: British Raj rule

1912: Province of Bihar & Orissa separated from Bengal

1935: Bihar and Orissa become separate provinces

1947: Indian Independence; Bihar becomes a state

2000: Bihar divided into two states - north part remains "Bihar", southern becomes Jharkhand