![Mark Hatfield centennial celebration, with root-beer floats and former governors, takes over historical society Mark Hatfield centennial celebration, with root-beer floats and former governors, takes over historical society](https://www.oregonlive.com/resizer/2NUaQXlzXrRICJR77rnlcWJBEKs=/0x1200/cloudfront-us-east-1.images.arcpublishing.com/advancelocal/I23IZ33LMRDUXFGPJJ3YUTO7JQ.jpg)
Former Oregon governors Barbara Roberts and Ted Kulongoski will be on hand Tuesday for the Oregon Historical Society’s celebration of the late Mark O. Hatfield’s 100th birthday.
Former Oregon governors Barbara Roberts and Ted Kulongoski will be on hand Tuesday for the Oregon Historical Society’s celebration of the late Mark O. Hatfield’s 100th birthday.