Complete the text with the correct form of the verbs.
In 1996, Pasal Knapp 1) ... as a sculpture when his father asked him to make a cow sculpture for an exhibition in Zurich, Switzerland. Pascal immediately 2) ... the challenge. First, he 3) ... a cow that 4) ... on all four legs with its head up. It was so popular that Pascal's father soon asked him to make two more cows. The second cow was 5) ... down and the third cow 6) ... grass.
In 1999, Peter Hanig 7) ... the very first Cow Parade in Chicago. Local artist 8) ... the cows in a way that 9) ... local culture. They placed them throughout the city centre in public places such as train stations and parks. Sometimes they 10) ... whole streets and squares.
Soon after the Chicago event, Cow Parade 11) ... in other countries and Pascal's cows 12) ... an international success.