Manchester United's Henrikh Mkhitaryan was on target for Armenia, while Germany cruised and the Home Nations won.
Germany will look to continue their perfect start in the World Cup Qualifiers when they travel to Azerbaijan on Sunday, live on Sky Sports.
Take a look back at a busy Sunday of World Cup Qualifiers which featured England, Scotland, Northern Ireland and Germany.
Poland's most-capped goalkeeper Artur Boruc has retired from international football at the age of 37.
Watch the dramatic moment Robert Lewandowski fell to the floor after a flare exploded near him in Poland's clash in Romania.
From Argentina to Australia, read our World Cup qualifying update ahead of this week's internationals...
Robert Lewandowski's injury-time winner saw Poland beat Armenia in World Cup qualifying, while Norway survived a scare against San Marino.
Napoli striker Arkadiusz Milik could be out for several months after suffering a knee injury in Poland's win against Denmark.
Thomas Muller scored twice as Germany continued their cruise towards another World Cup finals with a 3-0 win over Czech Republic.
Robert Lewandowski fired a hat-trick as Poland beat Denmark 3-2 in Saturday's World Cup Qualifier.
England, Scotland and Northern Ireland are all in World Cup 2018 Qualifying action on Saturday.
Germany and Denmark enjoyed victories in Sunday's World Cup Qualifiers, but Poland were pegged back by Kazakhstan.
Bartosz Kapustka hopes to secure Leicester move because Foxes boss Claudio Ranieri wants him more than any other of his suitors.
Monaco have signed Poland centre-back Kamil Glik on a four-year deal from Torino, the clubs have confirmed.
It's been a tournament of surprises at Euro 2016, but who has extended themselves and who has failed to hit the heights?
Best goal? Best player? Best moment? We reveal the winners of all three Euro 2016 votes as decided by Sky Sports readers.
UEFA has opened proceedings against Portugal and Poland after incidents during Thursday's Euro 2016 quarter-final.
Paul Pogba on the rise but Raheem Sterling dropping fast - we look at the winners and losers on social media from Euro 2016...
Danny Higginbotham has picked his team of Euro 2016 - with no Welsh players making it into his selection.
Euro 2016 - and Man Utd's managerial appointment - shows conservative football is back in fashion, says Guillem Balague.