Short answers, pulled from the story.
The Dragon magazine first published in June 1976 with Tim Kask serving as the first editor. Gary Gygax canceled The Strategic Review to create this new publication which was designed as a house organ for TSR.
The final printed issue was number 359 in September 2007 and Dragon+ ceased publication in April 2022. Wizards of the Coast announced on the 15th of November 2022 that Dragon+ would be removed from app stores and its content would no longer be available.
Ed Greenwood created the Forgotten Realms world through a series of articles in the 1980s that appeared in Dragon magazine. This setting became one of the primary campaign worlds for official Dungeons & Dragons products starting in 1987.
Dragon magazine won the Origins Award for Best Professional Roleplaying Magazine in 1984, 1985, and 1989 and received the Special Award for Outstanding Achievement in 1987. It also won the Origins Award for Best Game Related Periodical in 2003 and the ENnie Award Gold Winner for Best Supplement Dragon Compendium Vol. 1 in 2006.
Paizo Publishing acquired the rights to publish Dragon magazine in 2002 and published the last print editions for September 2007. Wizards of the Coast announced on the 18th of April 2007 that it would not be renewing Paizo's licenses for Dragon and Dungeon.