To delete browser history from the last hour, follow these steps in Google Chrome:

1. Open Chrome.
2. Click on the three dots at the top right corner.
3. Choose "Settings".
4. Scroll down to the "Privacy and security" section and select "Clear browsing data".
5. Open the pull-down menu next to "Time range" and pick "Last hour".
6. Check the box next to "Browsing history".
7. Select "Clear data". ^{howtogeek.com 3 1 2 4 5}