Trivia questions on the topic of the Protestant Reformationist, Martin Luther, are available at the websites of the Hosanna Lutheran Church in Texas and the Public Broadcasting Service (PBS). The latter is intended to test people's knowledge of Martin Luther's quotations.
The quiz at the PBS website presents users with 10 historical quotes, the attribution of which users are challenged to guess. For each quote, users are given a choice between Martin Luther and Martin Luther King, Jr. as its source. According to the website, despite their disparate time periods, these two intellectuals left comparable legacies and had a similar zeal for reformation.
The start page of the quiz at the Hosanna Lutheran Church website contains a short summary of Luther's life, covering his beliefs, accomplishments and legacy. Following this is a series of questions on individual pages, all of which are intended to challenge and increase people's knowledge of Martin Luther.
A quiz about the Protestant Reformation more generally can be found at the website of the Khan Academy. Although not specifically centered around Martin Luther himself, as the inspiration for this 16th century religious upheaval, he features within it. Opening the quiz, for instance, is a multiple choice question on his specific contributions.