1) a. (j'ai souligné les verbes au préterite et j'ai mis en gras les marqueurs de temps)
1- The first Hentage Day was in 1995.
2- Resistance movements started in Soweto in the 1960s.
3- The government tried to celebrate South Africa's unity in diversity.
4- In 1995, the government decided to make it a public holiday.
5- Robben Island stopped being a prison in 1997.
Voila!
Bonne journée ;)