It was the atrocities of "(D) Valeriano Weyler" that helped lead the United States to war with Spain <span>during the end of the 19th century, since many Americans were infuriated by his treatment of peasants. </span>
Answer:
In 1966 SNCC officially threw its support behind the broader protest of the Vietnam War. As SNCC became more active politically, its members faced increased violence. ... More-radical elements of SNCC, such as Carmichael's successor H. Rap Brown, gravitated toward new groups, such as the Black Panther Party.
I'm pretty sure it was the Julian calendar so Julius Caesar
Information in the link below:
https://www.history.com/this-day-in-history/germany-resumes-unrestricted-submarine-warfare