Past simple. example: marco polo went to china in 1292. marco polo didn t go to egypt in 1292. did marco polo go to china in 1292? 1.columbus discovered america in 1492. 2.they gave madame curie the nobel prize in 1911. 3.valentina tereshkova became the first woman in space in 1963. 4.stephen hawking wrote (a brief history of time) in 1988. заранее !