Count Dooku wasn't defeated: he escaped.
Nobody. dooku and yoda duel to a draw until dooku puts the lives of obi-wan and anakin in danger and forces yoda to break from the duel. in that time dooku escapes.
Yoda
Even though Anakin was 19 in Episode II: Attack of the Clones, if you look on Wookieepedia, it says that Anakin was actually a few weeks away from his 20th birthday during that timeframe.
During the episode 51-52 special.
Count Dooku is killed in the beginning of Episode III by Anakin Skywalker cutting off his head.
Angel. Dracula has also bitten Buffy in the episode Buffy vs Dracula Also The Master. He bit her in the episode "Prophecy Girl"
The Senate battle scene took place in Star Wars Episode III: Revenge of the Sith. While Sidious and Yoda were fighting, "Anakin vs. Obi-Wan" and "Duel of the Fates" by John Williams were playing in the background.
arc-170
Dan has a heart attack during Darlene & David's wedding during the episode aptly titled The Wedding, however we didn't learn he actually died until the final episode when we discover the last season was a fictional story being written by Rosanne in her basement.
Washington defeats the Hessian troops at the Battle of Trenton, which took place on December 26, 1776. This surprise attack followed Washington's crossing of the Delaware River and resulted in a significant morale boost for the Continental Army. The victory was crucial for revitalizing the American revolutionary effort during a challenging winter.
The very end
According to Wookieepedia, he was 80 in "Attack of the Clones" and was 83 when he died by Anakin Skywalker in "Revenge of the Sith"