“The murder of George Floyd launched a summer of protest we hadn’t seen since the Civil Rights era in the ‘60s — protests that unified people of every race and generation in peace and with purpose”

1990s, I Am a Man, a Black Man, an American (1998)

Cited in: John M. Broder. " For Muslim Who Says Violence Destroys Islam, Violent Threats http://www.nytimes.com/2006/03/11/international/middleeast/11sultan.html?pagewanted=print&_r=0" in The Saturday Profile, New York Times, March 11, 2006
Interview on Al Jazeera TV, 2006

Darling: A Spiritual Autobiography (2013)

1960s, The American Promise (1965)

in Twitter, referring to the Ukrainian anti-governmental protests of 2013-2014.
Original: Если это - "мирные протесты", то Эштон - балерина Большого театра. {February 20, 2014} https://twitter.com/Rogozin/status/436734301632069632

Northern Ireland House of Commons Official Report, Vol 34 col 1095. Sir James Craig, Unionist Party, then Prime Minister of Northern Ireland, 24 April 1934. This speech is often misquoted as: "A Protestant Parliament for a Protestant People", or "A Protestant State for a Protestant People".

The State of German Literature (1827).
1820s, Critical and Miscellaneous Essays (1827–1855)

Nobel Peace Prize acceptance (1985)
Context: We physicians protest the outrage of holding the entire world hostage. We protest the moral obscenity that each of us is being continuously targeted for extinction. We protest the ongoing increase in overkill. We protest the expansion of the arms race to space. We protest the diversion of scarce resources from aching human needs. Dialogue without deeds brings the calamity ever closer, as snail-paced diplomacy is outdistanced by missile-propelled technology. We physicians demand deeds to implement further deeds which will lead to the abolition of all nuclear weaponry.
We recognise that before abolition can become a reality, the nuclear arms race must be halted.

In Union There Is Strength (2020)