Misc: In 1811---------- , 1st South American country to gain independence from Spain. ?

Questions

He was the U S president during the civil war?

He wrote 'the aeneid' & is generally acccepted as Rome's greatest poet?

Heat & light resulting from the rapid combination of oxygen, or in some cases gaseous chlorine, with other materials?

Helen Gurley Brown was the publisher of what magazine?

Hell hath no fury like ______?