History of Show HN stories This query returns a list of every time a new Show Hacker News story is posted.

History of best stories This query returns a list of every time a Hacker News story becomes a best story.

History of jobs posted This query returns a list of every time a new job is posted to Hacker News.

History of top stories This query returns a list of every time a Hacker News story becomes a top story.

History of stories by user This query returns a list of every time a new story is posted by the user you specify.

History of comments by user This query returns a list of every time a new comment is posted by the user you specify.

History of Ask HN stories This query returns a list of every time a new Ask Hacker News story is posted.