Five decades ago in Ontario, nurses stood together and formed ONA, a union dedicated to fighting for health-care professionals and the Ontarians who rely on our care. We are proud of our progress and committed to the ongoing fight for fairness, and high-quality public health care.

In 2023, the Ontario Nurses’ Association celebrates its 50th anniversary.

The year leading up to this important milestone – culminating with our Biennial Convention in November 2023 – will be filled with activities, events, special opportunities and so much more!

Join us as we celebrate 50 years of member support, union activism and public health-care advocacy.

Our 50th Anniversary Countdown
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News and Updates

Celebrate 50 Event Hub

We invite ONA members to access our 50th anniversary event hub, where you will find information on upcoming events and activities, our history, games, and photos.

Share your stories, videos and photos and let us know how you’ll be celebrating 50!

ONA members must register to access the Celebrate 50 Event Hub at Access to the hub will be granted within 72 hours of registering.

Once  you’ve successfully registered, you can visit the Celebrate 50 Event Hub at

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