After you listen to the report, try turning the audio down and reading the words as they come up on the screen. Can you read at the same pace? Which words do you stumble over? Listen again and keep practising until you feel confident with your pronunciation and pacing.
If you need help with the vocabulary, be sure to visit This Week in History on EnglishClub, where you can review the definitions for some of the more difficult words in each report. You can also download the audio, try a quick quiz, and see a historic image that goes with the story. A new story is featured every Monday. The archives are also available.
Here is an example of a This Week in History video from the EnglishClub YouTube channel: