0
Nikolay Ivanovich Pirogov died on 1881-12-05.
Nikolai Ivanovich Ashmarin died in 1933.
Nikolai Ivanovich Kalitin has written:
'Slovo i vremya'
Nikolai Ivanovich Bukharin was born on October 9, 1888.
Nikolai Ivanovich Lobachevsky was born on December 1, 1792.