The Mäntsälä rebellion ( ) was a failed coup attempt by the Lapua Movement to overthrow Change_of_leadership the Finnish government .

In the next few days , leading members of the Lapua Movement ( `` Lapuanliike '' ) and hundreds of armed Bearing_arms members of Suojeluskunta arrived at Arriving Mäntsälä .

Two days later , the cabinet ordered Arranging the leaders of the Lapua movement arrested Arrest using the `` Protection of the Republic Act '' which the movement itself had urged Convincing for a year before .

In spring , the Lapua Movement was disbanded Dispersal .