Army day in Chile falls on September 19th each year and commemorates together with Independence day the day before the glory of the Army.
Celebration\ Observance
The two days, Army day and Independence day together celebrate Fiestas Patrias which is two days but can often last all week with most business and government offices closed. People will celebrated by attending the main parade in Santiago or other smaller parades in other cities.
History
Army day in Chile was officially established back in 1915 however, the first military parade was held all the way back to 1810 in Santiago Chile.