{"id":43060,"date":"2026-10-19T20:29:04","date_gmt":"2026-10-19T18:29:04","guid":{"rendered":"https:\/\/www.graviton.at\/letterswaplibrary\/dataset-football-managers-and-trophies-at-35-european-clubs-1955-56-2025-26-feedback-and-historical-sources-welcome\/"},"modified":"2026-10-19T20:29:04","modified_gmt":"2026-10-19T18:29:04","slug":"dataset-football-managers-and-trophies-at-35-european-clubs-1955-56-2025-26-feedback-and-historical-sources-welcome","status":"publish","type":"post","link":"https:\/\/www.graviton.at\/letterswaplibrary\/dataset-football-managers-and-trophies-at-35-european-clubs-1955-56-2025-26-feedback-and-historical-sources-welcome\/","title":{"rendered":"[Dataset] Football Managers And Trophies At 35 European Clubs, 1955\/56\u20132025\/26: Feedback And Historical Sources Welcome"},"content":{"rendered":"<p><!-- SC_OFF --><\/p>\n<div class=\"md\">\n<p>Over the past two years, I\u2019ve been compiling a historical dataset of football managers and club trophies for a project called Manager History.<\/p>\n<p>It covers 35 selected clubs across England, the Netherlands, Spain, Germany, Italy, France and Portugal, from 1955\/56 to 2025\/26.<\/p>\n<p>Direct JSON:<br \/> <a href=\"https:\/\/managerhistory.com\/data\/snapshot.json\">https:\/\/managerhistory.com\/data\/snapshot.json<\/a><\/p>\n<p>The file contains three linked collections:<\/p>\n<ul>\n<li><code>clubs<\/code>: club IDs, names and countries.<\/li>\n<li><code>coaches<\/code>: manager IDs, names and nationality information.<\/li>\n<li><code>seizoenen<\/code>: club-season records, a main manager ID, and flags for league titles, domestic cups and European trophies. Some records also include additional managers, interim appointments, dates and source links.<\/li>\n<\/ul>\n<p>Some field names are Dutch. Trophy flags use Y\/N; they are not counts of individual trophies.<\/p>\n<p>I compiled the data with assistance from Gemini and Claude, alongside extensive manual checks using Wikipedia, Transfermarkt and other historical sources. It is a work in progress, not a fully verified reference database.<\/p>\n<p>Important limitations:<\/p>\n<ul>\n<li>Five selected clubs per country, rather than complete leagues.<\/li>\n<li>One main manager per season; additional appointments are recorded where available, but coverage is incomplete.<\/li>\n<li>Historical gaps remain, particularly for Boavista and Braga.<\/li>\n<li>Manager career views only cover clubs included in the dataset.<\/li>\n<li>Club-season trophy flags should not automatically be interpreted as trophies personally won by the main manager, especially in seasons with managerial changes.<\/li>\n<\/ul>\n<p>I\u2019d welcome help with three things:<\/p>\n<ol>\n<li>Spotting incorrect manager assignments, missing appointments or trophy flags, ideally with a source.<\/li>\n<li>Finding reliable historical sources for older Portuguese seasons.<\/li>\n<li>Improving the structure for seasons with multiple managers and uncertain appointment dates.<\/li>\n<\/ol>\n<p>Which missing clubs would add the most useful comparisons? I\u2019m also interested in suggestions for making the data easier to analyse.<\/p>\n<p>Methodology:<br \/> <a href=\"https:\/\/managerhistory.com\/data-methodology.html\">https:\/\/managerhistory.com\/data-methodology.html<\/a><\/p>\n<p>Interactive visualisation:<br \/> <a href=\"https:\/\/managerhistory.com\/\">https:\/\/managerhistory.com<\/a><\/p>\n<p>Disclosure: I created the dataset and website. The JSON currently identifies its export date as 2 October 2026.<\/p>\n<\/div>\n<p><!-- SC_ON -->   submitted by   <a href=\"https:\/\/www.reddit.com\/user\/kingjaynl\"> \/u\/kingjaynl <\/a> <br \/> <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1xa36dl\/dataset_football_managers_and_trophies_at_35\/\">[link]<\/a><\/span>   <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1xa36dl\/dataset_football_managers_and_trophies_at_35\/\">[comments]<\/a><\/span><\/p><div class='watch-action'><div class='watch-position align-right'><div class='action-like'><a class='lbg-style1 like-43060 jlk' href='javascript:void(0)' data-task='like' data-post_id='43060' data-nonce='8bd368e94e' rel='nofollow'><img class='wti-pixel' src='https:\/\/www.graviton.at\/letterswaplibrary\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-43060 lc'>0<\/span><\/a><\/div><\/div> <div class='status-43060 status align-right'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>Over the past two years, I\u2019ve been compiling a historical dataset of football managers and club trophies&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-43060","post","type-post","status-publish","format-standard","hentry","category-datatards","wpcat-85-id"],"_links":{"self":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/43060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/comments?post=43060"}],"version-history":[{"count":0,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/43060\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/media?parent=43060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/categories?post=43060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/tags?post=43060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}