Tunic. The Roman tunic was made of linen or wool depending on the weather.

PRI. Mexico has a president but no vice-president.

Diamond. Cecil Rhodes was the most famous miner during the South African diamond rush in the 1860's.

Voting. The 19th Amendment says that no one will be denied the right to vote based on gender.

Greece. Denmark joined the EC in 1973, and Spain and Portugal joined the EC in 1986.

Marcus Licinius Crassus. Spartacus was betrayed by pirates who agreed to take him to Sicily.