Conversation so far:
When did Walter join CBS Evening news?
but later the CBS Evening News on September 2, 1963.
for how long was he the anchor of CBS evening News?
Cronkite's tenure as anchor of the CBS Evening News made him an icon in television news.
What kind of stories did Walter report?
A key moment for Cronkite came during his coverage of John F.
Kennedy's assassination on November 22, 1963.
What was he known as during his time at CBS?
Apollo 11 (with co-host and former astronaut Wally Schirra) and Apollo 13 moon missions, Cronkite received the best ratings.
What were his ratings for the Apollo 11 and Apollo 13 missions?
and made CBS the most-watched television network for the missions.
When was Walter's last show on CBS Evening News?
Cronkite proved to be more popular and continued to be top-rated until his retirement in 1981.
Was walter known for saying anything in particular?
One of Cronkite's trademarks was ending the CBS Evening News with the phrase "...And that's the way it is,.
Was he offered another position by another news channel while at CBS?
CANNOTANSWER.

Question: How long was his show?
Self-contained rewrite: How long was Walter Cronkite's show?