Bing found the following results
What Is Pentecost and Where Did It Come From? - Christianity
Pentecost - Wikipedia
What Is Pentecost? And Why Is It Important? - BibleProject
Pentecost | Description, Observances, & History | Britannica
What Is the Day of Pentecost? Bible Story Study Guide - Learn …
What Is Pentecost Sunday? Bible Meaning and Holiday Traditions
When Is Pentecost? - Christianity
Pentecost | EWTN
BBC - Religions - Christianity: Pentecost
Pentecost - Encyclopedia of The Bible - Bible Gateway