time data 'June 13, 1980 (United States)' does not match format '%m/%d/%Y' (match)
The correct format is: pd.to_datetime(pd.to_datetime(df['released'], format='%B %d, %Y')
For the full name, you need to specify %B for the format.
You don't need the value "(United States)" in the string.
How can i passs a datetime format on a column with str such as June 13, 1980 (United States)
i tried  df['format_released'] = pd.to_datetime(df['released'], format='%m/%d/%Y')
got this error

time data 'June 13, 1980 (United States)' does not match format '%m/%d/%Y' (match)