The duration of Legend of the Galactic Heroes is 3600.0
seconds.
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Legend of the Galactic Heroes was created on 1992-12-12.
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The Legend of Heroes happened in 8801.
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The Legend of the Condor Heroes was created in 1957.
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According to MyAnimeList.Net, the #1 spot is held by Legend of
Galactic Heroes, with Tengen Toppa Gurren Lagann and Kara no
Kyoukai 5: Mujun Rasen as #2 and #3.