Koeman succeeds Dick Advocaat, who failed to guide the Netherlands to the 2018 World Cup after succeeding Danny Blind midway through the qualification campaign.
On Tuesday, Ronald Koeman was presented as the new head coach on a contract which runs until the 2022 World Cup in Qatar.
The KNVB have also appointed Nico-Jan Hoogma, who was general manager at Eredivisie side Heracles Almelo, as director of football.
Point against Palace proves Newcastle have stomach for fight, says Darlow
We have a lot of grit and desire and will go to the very end". "It's a point that doesn't help either side enormously". Newcastle are two places above the relegation water after gathering 25 points from 26 encounters.
"Happy to be here and serve the country in our road to Uefa Euro 2020!"
He said: "I am proud to finally announce that I am the new manager of the Dutch national team".
"We know we don't have the best players, but that doesn't mean that you cannot have the best team", he added.
Koeman replaces Dick Advocaat, who was appointed as a stop-gap measure in June after Danny Blind was sacked.
Light snowfall, freezing rain could create travel delays Wednesday
Wednesday , the high will be near 30 with sunny skies and a northwest wind of 6 miles per hour , the weather service said. It's only in effect for those two counties because that's where the highest snow and ice accumulations are possible.
During that time the national team slumped from one disappointment to another.
Koeman, 54, has been out of work since being sacked by Everton in October after a string of defeats saw the Toffees fall into the relegation zone.
He played 78 internationals for the Netherlands and was part of the team's only major title, the 1988 European Championship.
Koeman was capped 78 times by Holland as a player during an worldwide career which spanned 12 years and saw him win Euro 1988.
1 deputy killed, 4 injured in Colorado Springs shooting
Two El Paso deputies, a Colorado Springs police officer and a civilian were all injured by gunfire, Carey said. Carey said the shooting started during the investigation of a vehicle theft around 4 p.m.
Koeman said he would not be bound by the long-standing Dutch dogma of playing a 4-3-3 system.
- Nielsen says 103.4 million watch Super Bowl
- Here's Every New PS4 5.50 Update Feature Explained
- After surgery, Eagles fan frets: Did I miss the Super Bowl?
- Experts concerned as flu-related deaths continue to rise in Arkansas
- Samsung boss walks free from jail
- Colts hire McDaniels as new coach
- Nintendo Switch Online Service To Arrive This September 2018
- Two dead, over 100 injured in Taiwan quake
- Eyes on redesign, user growth in Snap's upcoming earnings
- Paul Ryan Deletes Tweet About Tax Cuts Amid Social Media Backlash