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- Arsène Wenger's Arsenal Record In 999 Games (INFOGRAPHIC)
Wenger will become just the fourth manager - after Sir Matt Busby, Dario Gradi and Sir Alex Ferguson - to reach the historic landmark when the Gunners take on Chelsea in the Barclays Premier League on Saturday.
The 64-year-old first took charge of the north London club on 1 October, 1996 and has won three Premier League titles and four FA Cups in his 17-and-a-half years.
Ferguson has praised his old rival and believes Wenger's achievement is proof stability at a club is vital.
"I congratulate Arsene in reaching this momentous landmark," Ferguson said in a League Managers Association statement.
"Having also reached the same milestone at one club, I cannot emphasise enough the level of dedication, resilience as well as sacrifice required and for that I have for the utmost admiration.
"Over the years we enjoyed some fantastic battles and you could say we had survived together and respected each other's efforts to play good football. I always enjoy watching Arsene's sides - Arsenal play the right way.
"Playing against them always presented special challenges that I burned many hours over the years thinking about. He has always been a conscientious member of our trade who makes it his business to help other managers.
"Perhaps the biggest compliment I could give Arsene is that I could never be anything other than competitive with my rival for 17 years."