Update README.md

README.md

@@ -522,6 +522,7 @@ All the data (past and coming) are available publicly in JSON:
 * 24-26: [droidcon Berlin 2025](https://berlin.droidcon.com/) - Berlin (Germany)
 * 25-26: [Paris Web 2025](https://www.paris-web.fr) - Paris (France) <a href="https://appel.paris-web.fr/"><img alt="CFP Paris Web 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2024-March-2025&color=green"></a> <img alt="Closed Captions" src="https://img.shields.io/static/v1?label=CC&message=Closed%20Captions&color=blue" />
 * 27: [Extremadura Digital Day 2025](https://extremaduradigitalday.com) - Cáceres (Spain) <a href="https://www.papercall.io/extremadura-digital-day"><img alt="CFP Extremadura Digital Day 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2015-May-2025&color=green"></a>
+* 27: [RomHack](https://romhack.io/) - Roma (Italy) <a href="https://cfp.romhack.io/romhack-2025/cfp"><img alt="CFP RomHack 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2018-May-2025&color=green"></a>
 * 27-28: [Macoun 2025](https://macoun.de/index.php) - Frankfurt (Germany)
 * 28-2/10: [COSAC 2025](https://cosac.net/cosac/) - Kildare (Ireland) <a href="https://cosac.net/cosac/call-for-papers/"><img alt="CFP COSAC 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2014-March-2025&color=green"></a>
 * 29-2/10: [Jax New York](https://devm.io/jaxnewyork/) - New York, NY (USA)