There are 53 Centennial Posts in Oregon. 14 Posts received their temporary charter on July 28, 1919. Five of those Posts received their permanent charter on September 13, 1920. The permanent charter for the others came in between September 17, 1920 and April 28, 1922. Post 61 Tri-Counties received their temporary charter on Nov 11, 1919 and didn't receive their permanent charter until June 30, 1924, 4 years 7 months, and 19 days.