In 2001, a new Academy Award was introduced: Best Animated Feature. With sustained production of animated films beyond the traditional Disney fare, there were plenty of candidates to be considered. Since then, these are the films that have won Best Animated Feature:
Shrek - 2001 Spirited Away - 2002 Finding Nemo - 2003 The Incredibles - 2004 Wallace & Gromit: The Curse of the Were-Rabbit - 2005 Happy Feet - 2006 Ratatouille - 2007 WALL-E - 2008 Up - 2009 Toy Story 3 - 2010 Rango - 2011 Brave - 2012 Frozen - 2013 Big Hero 6 - 2014 Inside Out - 2015
This year, there's a strong field, including Kubo and the Two Strings, Moana, My Life as a Zucchini, The Red Turtle, and Zootopia. Who will win? We'll have to wait for Sunday evening to find out.
Meanwhile, enjoy this video featuring clips from all of the winners, plus the currently-nominated films.
Incidentally, if you're a film nerd, the Official Academy Awards Database is a handy way to search historical info. Be sure to click the "Statistics" button.