What is associated with: after 10 years of independence it became the 28th state in 1845?

What is referred to by 'afrique du sud'? What is associated with: after a 5 year tenure this polish president was defeated for re election in 1995? Based on the clue 'after 1 million were killed by turkey during wwi t...', what is the answer? Based on the clue 'after 1 year we said goodbye to this sitcom with m...', what is the answer? What is associated with: after 11 12 years in office she resigned as british prime minister in 1990? Based on the clue 'after 11 months in captivity crew of this ship was...', what is the answer? What is associated with: after 11 years of marriage she david arquette announced a trial separation in 2010? What is associated with: after 12 seasons angela lansbury closed the book on this series in 1996?