Thousands of beer lovers celebrated the 189th start of Oktoberfest, the world's largest folk festival, as Munich Mayor Dieter Reiter inserted the tap into the first keg of beer on Saturday.

MUNICH — Bridie O'Halloran drank the first beer of her life at Oktoberfest.

The Oktoberfest began on September 21st and will continue till October 6th in Munich. This vibrant festival is mainly known for its food, music, and beer tents, attracting a massive audience every year.

Munich`s Oktoberfest is back! See photos of the world`s largest folk festival, which runs through October 6th. Expect beer, music, and crowds

Oktoberfest is open. Mayor Dieter Reiter officially started Oktoberfest at noon Saturday when he inserted the tap into the first beer keg, signaling the 189th

Tens of thousands of revelers marked the opening day of the 189th Oktoberfest. The celebration began Saturday and runs through Oct. 6 in 18 large tents covering the fairground.

Oktoberfest will open after the ceremonial keg-tapping by Munich Mayor Dieter Reiter when he inserts the tap into the first keg at noon on Saturday

Oktoberfest has opened in Munich after the ceremonial beer keg-tapping. Mayor Dieter Reiter officially started the 189th Oktoberfest at noon when he inserted the tap into the first keg. The celebration runs through Oct.

Munich's mayor taps the first kegto kick off Oktoberfest in Germany:::: Oscar Murphy, Traveled from Australia“Lots of beer, lots of pretzels, German sausage, lots of fun. I’m looking forward to it.”:: Janil Brown,