Which of these events happened in the 20th century? a)tutankhamen becomes the leader of egypt. b) bartholomew diaz lands on the cape of good hope. c)nelson mandela becomes the president of south africa. d) they pyramids are built along the nile river in egypt.

I believe the correct answer is: C) Nelson Mandela becomes the President of South Africa.

     The only event in this question that happened in (the end) 20th century is that Nelson Rolihlahla Mandela, a South African revolutionary, political leader, and philanthropist, became President of South Africa in 1994, and served as President to 1999.

     Tutankhamun ruled in Egypt from 1332 to 1323 BC, the pyramid were constructed from 2630 BC to 2611 BC and Bartolomeu Dias landed on the Cape of Good Home in 1488.

answer; the civil right act of 1964;

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.