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The data was previously located at: https://github.com/erengy/taiga

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README.md

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+# Anime Seasons
+
+This repository includes anime season data for [Taiga](https://github.com/erengy/taiga), where it is used to display interactive season charts:
+
+![Seasons](https://i.imgur.com/4GAkBXs.png)
+
+## Seasons
+
+The data currently consists of all anime seasons between **Winter 2011** to **Summer 2016**.
+
+Seasons are laid out in the following manner. Note that the winter season starts in the previous year (e.g. Winter 2016 starts in December 2015):
+
+<table>
+  <thead>
+    <tr>
+      <th align="center" colspan="3">Winter</th>
+      <th align="center" colspan="3">Spring</th>
+      <th align="center" colspan="3">Summer</th>
+      <th align="center" colspan="3">Fall</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td bgcolor="#F0FFFF">12</td>
+      <td bgcolor="#F0FFFF">1</td>
+      <td bgcolor="#F0FFFF">2</td>
+      <td bgcolor="#F0FFF0">3</td>
+      <td bgcolor="#F0FFF0">4</td>
+      <td bgcolor="#F0FFF0">5</td>
+      <td bgcolor="#FFFFF0">6</td>
+      <td bgcolor="#FFFFF0">7</td>
+      <td bgcolor="#FFFFF0">8</td>
+      <td bgcolor="#FAEBD7">9</td>
+      <td bgcolor="#FAEBD7">10</td>
+      <td bgcolor="#FAEBD7">11</td>
+    </tr>
+  </tbody>
+</table>
+
+## Database
+
+The following information is available for each anime in a season:
+
+Tag|Description
+:--|:----------
+`type`|1: TV<br>2: OVA<br>3: Movie<br>4: Special<br>5: ONA<br>6: Music
+`id`|MyAnimeList and Hummingbird IDs
+`producers`|Producers, licensors and studios
+`image`|Poster image URL
+`title`|Main romaji title
+
+The rest of the information is retrieved directly from the active service by each client on demand. Ideally, it should have been possible to retrieve the entire information this way. But neither MyAnimeList nor Hummingbird provides such a method in their public APIs, which is why Taiga needs this database.
+
+The XML files in this repository are generated by a Python script that scrapes HTML pages. The script is not provided here due to [ethical concerns](https://github.com/erengy/taiga/issues/244#issuecomment-206053747).
+
+Note that the data for a season doesn't include series continuing from previous seasons. Also note that some files, especially the older seasons, may be out of date.
+
+## License
+
+This repository is in the public domain.
+
+All data except for Hummingbird IDs come from MyAnimeList.net, which is a property of MyAnimeList, LLC.