A black and white photo of a stone clock tower building surrounded by a grassy field and trees.

Ontario Agricultural College 150th Anniversary

Your Legacy. Our Future.

Since opening our doors in May 1874, we've become internationally renowned for our research, teaching and knowledge extension in the broad areas of food, agriculture, communities and the environment. This year, we proudly kicked off our 150th-anniversary celebrations in May 2024, marking a momentous milestone in our storied history.

As we continue to commemorate this significant anniversary, we invite you to explore our rich history, connect with fellow OAC community members, and join us in charting a bold course for the future. Here's to 150 years of OAC!

OAC Events Sign up for the 150 newsletter

An aerial view painting of the Guelph campus in 1906.

OAC Timeline

Explore OAC's 150-year journey through milestones, achievements, and personal stories on the interactive timeline.

Explore OAC Timeline

Relive the 150th

Take a look back at OAC's 150th anniversary celebrations! Browse photos from events that brought our community together.

View OAC 150th Photos

OAC apparel, which includes a red sweater, a white t-shirt and a black ball cap.

OAC 150 Store

Discover exclusive OAC 150th merchandise! Celebrate our legacy with commemorative items showcasing 150 years of excellence.

Browse the OAC 150th Store

A collage of photos that include students studying, participating in student activities and standing infront of a brick buidling.

150 Years of Memories

Celebrate 150 years of cherished memories with us! Share your special moments by submitting photos or take a trip down memory lane by browsing through our collection.

Submit Photos & Memories Explore Photos on Flickr

OAC 150th News

Celebrating Discovery, Growth and Impact: OAC Officially Celebrates 150 Years During Alumni Weekend

A legacy of impact: The Maxwell’s longstanding support for the future of Canadian agriculture

150 years of making Canada an agri-food powerhouse

Voices of OAC: Watch stories from students, alumni, and faculty about their OAC experiences and its lasting impact.

Showing the backs of a group of students in a classroom, where one student is wearing an "Aggies" jacket.

Support the Next Generation of OAC

OAC alumni from every era are coming together to support their alma mater’s legacy. Alumni, join this friendly challenge and help your decade rise to the top of the leaderboard! Every donation made through this challenge directly empowers the next generation of trailblazers through student support and hands-on learning. And for a limited time, every gift will be matched by generous OAC supporters, Joe and Barbara Maxwell.

Join the Challenge

The OAC 150th anniversary celebrations are made possible by the generous support of Joe & Barbara Maxwell, the OAC Alumni Association, and the OAC Alumni Foundation.