 In 1979, Desai and Vajpayee resigned, triggering the collapse of the Janata Party.The erstwhile members of the Bharatiya Jana Sangh came together to form the Bharatiya Janata Party (BJP) in 1980, with Vajpayee as its first President.The 1984 general elections were held in the wake of Prime Minister Indira Gandhi's assassination by her Sikh bodyguards.