The Nelson Mandela Decade of Peace declared by United Nations recently is from_____ to _____? November 25, 2021October 4, 2018 by admin The Nelson Mandela Decade of Peace declared by United Nations recently is from_____ to _____?A. 2019 to 2028 B. 2020 to 2029 C. 2021 to 2030 D. 2022 to 2031