Bridge of Clay is a teen novel by Australian author Markus Zusak, to be published by Doubleday.
The Book Thief is a 2013 American-German war drama film directed by Brian Percival and starring Geoffrey Rush, Emily Watson, and Sophie Nélisse.
 The film is based on the 2005 novel "The Book Thief" by Markus Zusak and adapted by Michael Petroni.
 The film is about a young girl living with her adoptive German family during the Nazi era.
 Taught to read by her kind-hearted foster father, the girl begins "borrowing" books and sharing them with the Jewish refugee being sheltered by her foster parents in their home.
 The film features a musical score by Oscar-winning composer John Williams.
Fighting Ruben Wolfe is a young adult fiction novel by Markus Zusak.
 Originally published in Australia by Omnibus in 2000, the first American Hardcover printing was by Arthur A. Levine Books, an imprint of Scholastic Press, February, 2001.
 First soft cover edition was printed in February, 2002.
 "Fighting Ruben Wolfe" is the second book featuring brothers Cameron and Ruben Wolfe and their family.
 The first book is "The Underdog" and the third book is "When Dogs Cry".
The Messenger is a 2002 Novel by Markus Zusak, and winner of the 2003 Children's Book Council of Australia Book of the Year Award.
Markus Frank Zusak (born 23 June 1975) is an Australian writer.
 He is best known for "The Book Thief" and "The Messenger" (US title, "I Am the Messenger"), two novels for young adults which have been international best-sellers.
 He won the annual Margaret A. Edwards Award in 2014 for his contributions to young-adult literature published in the US.
Sophie Nélisse (born March 27, 2000) is a Canadian teen actress.
 She is known for her Genie Award–winning performance in "Monsieur Lazhar", and as Liesel Meminger in the film adaptation of the best-selling novel "The Book Thief" written by Markus Zusak.
Underdogs (2011) is an anthology by the Australian young adult fiction writer Markus Zusak.
 It consists of Zusak's first three books, "The Underdog" (1999), "Fighting Ruben Wolfe" (2000) and "When Dogs Cry" (2001).
When Dogs Cry is the third young adult fiction novel written by Australian writer Markus Zusak in the Wolfe family books.
 It is a stand-alone companion novel (sequel) to his young adult fiction novels "Fighting Ruben Wolfe" and "The Underdog".
 It was first published in 2001 by Pan Macmillan Australia Pty limited.
 It was published in United States by Arthur A. Levine Books, an imprint of Scholastic Press, April 2003 under the title Getting the Girl.
 Both titles come from the titles of poems in the book.
The Book Thief is a 2005 historical novel by Australian author Markus Zusak and is his most popular work.
The Underdog (1999) is the first novel by Australian young adult fiction writer Markus Zusak.
 Along with "Fighting Ruben Wolfe" and "When Dogs Cry", "The Underdog" was published in the United States in 2011 as part of the anthology "Underdogs".

Question: What is the year of the event that occured first, Markus Zusak was born, or The Book Thief was published?
Answer: 1975