Which leader died on the day the Non-cooperation movement was launched in 1920?

Non-Cooperation Movement was launched in 1920. When it was ended?

Who was the first leader arrested in the non-cooperation movement?

Gandhiji launched the Non-Cooperation Movement in –

The Non-Cooperation Movement was started in –

In which area was Rahul Sankrityayan active in the Non-Cooperation Movement of 1920?