Aaron Ramsey fired Wales to Euro 2020 as a 2-0 victory over Hungary in Cardiff sealed their place in next summer's finals.
Ramsey, making his first Wales start in over a year after being dogged by injuries, scored in each half as Ryan Giggs' side leapfrogged Hungary into second spot in Group E.
The Juventus midfielder headed Wales into a 15th-minute lead to settle the nerves of a capacity Cardiff City Stadium crowd.
Ramsey's second just after the restart was his 16th international goal, taking him past the great John Charles on the all-time Wales scoring list and into joint-seventh place.
Victory secured Wales' third appearance at a major tournament, coming just four years after their second when the Dragons r
eached the semi-finals of Euro 2016.
Hungary finished fourth and will have to settle for a play-off place as Wales join Croatia in progressing from Group E - with Slovakia's 2-0 victory over Azerbaijan enough for them to finish third and book a home play-off semi-final against Ireland.
Robert Bozenik and Marek Hamsik with the goals for the victors.
Belgium thrashed Cyprus 6-1 to ensure they won all of their 10 Group I matches, with Kevin De Bruyne and Christian Benteke both grabbing two goals in Brussels.
A Yannick Carrasco effort and a Christoforou Kypros own goal completed the rout after Nicholas Ioannou had given the minnows a shock lead.
Second-place Russia also had a comfortable victory with a 5-0 success in San Marino.
Daler Kuzyaev, Sergei Petrov, Aleksei Miranchuk, Aleksi Ionov and Nikolai Komlichenko all got themselves on the scoresheet as San Marino finished bottom of Group I without taking a point.
John McGinn (above) scored twice as Scotland, Euro 2020 hosts and already assured of a play-off place, came from behind to beat Kazakhstan.
Baktiyor Zainutdinov silenced Hampden Park with a fine opener for the visitors but McGinn scored either side of Steven Naismith to give Scotland a 3-1 success.
The two final Group C fixtures went with recent form as Germany and Holland racked up big wins.
Bayern Munich forward Serge Gnabry helped himself to a hat-trick as Germany recovered from falling behind to hammer Northern Ireland 6-1.
A low, long-range drive from Michael Smith gave the visitors a seventh-minute lead in Frankfurt before the tables were turned.
Gnabry levelled before Leon Goretzka made sure Germany went in ahead at the break, with Gnabry completing his hat-trick before the hour-mark as Goretzka got a second and Julian Brandt topped off the win in added time.
Group G winners Poland battled back from losing the lead twice to record an entertaining 3-2 win at home to Slovenia.
Sebastian Szymanski's early thunderbolt had Poland in front before Tim Matavz equalised for the visitors in Warsaw.
Josip Ilicic then cancelled out Robert Lewandowski's strike only for Jacek Goralski to score the winner for Poland with nine minutes remaining.
Poland had already assured themselves of progression alongside second-placed Austria, who suffered a shock defeat in Latvia.
Pointless heading into the final game, Marcis Oss scored the only game as Latvia won 1-0 in Riga.
