Conversation so far:
Who is one of Ernest Hemingway's drinking buddies?
In 1921, Jimmy Frise, one of Ernest Hemingway's drinking buddies during the journalist's days in Toronto, sold Life's Little Comedies to the Toronto Star's Star Weekly.
What was the longest-running comic strip in English Canadian comic history?
Life's Little Comedies was later retitled Birdseye Center, and became the longest-running strip in English Canadian history.
Where was J.R. Williams born?
Nova Scotia-born artist J. R. Williams single-panel strip about rural and small-town life, Out Our Way, began in 1922 and was syndicated in a peak 700 newspapers
Who purchased the Life's Little Comedies?
In 1947, Frise brought Life's Little Comedies to the Montreal Standard, where it was renamed Juniper Junction.
How many comic strips appeared on the same day in 1929?
Two new comic strips appeared on the same day in 1929 in American newspapers and fed the public's desire for escapist entertainment at the dawn of the Great Depression.
What are the two first non-humorous adventure strips called?
They were the first non-humorous adventure strips, and both were adaptations. One was Buck Rogers; the other, Tarzan, by Halifax native Hal Foster

Question: When did he begin his own comic strip?
Self-contained rewrite: When did Hal Foster begin his own comic strip?