Open the Settings app
Tap Safari
Tap Clear History and Website Data
Confirm by tapping Clear History and Data
To delete browsing history in Chrome, open Chrome
Tap the three dots menu
Tap History
Tap Clear Browsing Data
Select the data you want to delete
Tap Clear Browsing Data
To delete app history, open the app and check its history or recent activity settings
To delete keyboard history, go to Settings
Tap General
Tap Transfer or Reset iPad
Tap Reset
Tap Reset Keyboard Dictionary