▁year . ▁St alls ▁are ▁also ▁set ▁up ▁between ▁the ▁stages ▁- ▁similarly ▁to ▁fun f airs ▁– ▁during ▁the ▁Mai wo che . ▁In ▁addition , ▁a ▁swing ▁ride ▁is ▁set ▁up ▁every ▁year ▁in ▁front ▁of ▁the ▁c athedral ▁in ▁Os nab r ück . ▁ ▁The ▁Os nab r ück er ▁Akt ien ▁Bra u erei ▁was ▁a ▁co - found er ▁of ▁the ▁modern ▁Os nab r ück ▁Mai wo che . ▁The ▁first ▁Mai wo che ▁festival ▁was ▁opened ▁in ▁May ▁ 1 9 7 2 ▁with ▁a ▁be er ▁bar rel ▁t apping , ▁in ▁the ▁presence ▁of ▁then - L ord ▁Mayor ▁Ernst ▁We ber . ▁It ▁is ▁the ▁largest ▁public ▁festival ▁in ▁north ▁Germany . ▁ ▁More ▁than ▁ 6 0 0 , 0 0 0 ▁people ▁attended ▁the ▁Mai wo che ▁in ▁Os nab r ück ▁in ▁ 2 0 0 7 ▁( which ▁took ▁place ▁from ▁ 1 1 ▁– ▁ 2 0 ▁May ). ▁In ▁ 2 0 0 8 ▁it ▁took ▁place ▁from ▁ 1 ▁– ▁ 1 2 ▁May ▁( Wh it ▁Monday ) ▁and ▁saw ▁an ▁estimated ▁ 7 0 0 , 0 0 0 ▁people ▁attend . ▁The ▁ 2 0 0 9 ▁and ▁ 2 0 1 0 ▁events ▁took ▁place ▁from ▁the ▁ 8 ▁– ▁ 1 7 ▁May ▁and ▁the ▁ 1 3 ▁– ▁ 2 4 ▁May ▁respectively . ▁In ▁ 2 0 1 1 ▁it ▁took ▁place ▁from ▁ 1 3 ▁– ▁