George Greeno received a patent for a sewing machine.
21 February: What Happened On This Day in History
Curated historical timeline of momentous political pacts, freedom struggle uprisings, constitutional developments, scientific breakthroughs, and prominent birthdays recorded on 21 February.
Karl Marx and Friedrich Engels published The Communist Manifesto.
The first telephone directory was published in New Haven, Connecticut.
Armed revolutionary uprisings took place in Lahore, Benaras, and Meerut.
Demonstration of official language status to the Bengali language at Dhaka University in East Pakistan (present-day Bangladesh).
Establishment of Press Club of India in New Delhi.
Soviet Unmanned spacecraft Luna 20 landed on the moon.
Former Indian Prime Minister Atal Bihari Vajpayee and former Prime Minister of Pakistan Nawaz Sharif signed the Lahore Declaration.
At least 17 people were killed and 119 injured in a series of bomb blasts in Hyderabad.
Indian film star Kamal Haasan launched a new political party – Makkal Needhi Mayyam in Tamil Nadu state.
Shah Waliullah Dehlawi, an Islamic scholar.
Ameer Minai, a 19th-century Indian poet.
Mirra Alfassa, a spiritual guru, an occultist and a collaborator of Sri Aurobindo.
Shanti Swaroop Bhatnagar, an Indian colloid chemist, academic and scientific administrator.
Suryakant Tripathi, Nirala, an Indian poet, novelist, essayist, and story-writer.
Bhabatosh Datta, a noted Indian economist, academic, and writer.
Gulab Khandelwal, an Indian poet.
David Lawrence Geffen, an American business magnate, and co-founder of DreamWorks Pictures.
Nirala, Indian poet and author (d. 1961)
Baruch Spinoza, a Dutch philosopher.
Kitturu Chennamma, the Queen of the Nayakas of the kingdom of Kittur.
Malcolm X, an African American Muslim minister, and human rights activist.
Nutan, an Indian film actress.
Om Prakash Bakshi, an Indian character actor.
Dwayne McDuffie, an American writer of comic books.