The Cubs opened the defense of their 1945 N.L. title with a new observer on the scene at Wrigley Field.

Yes. It's the game in which the Cubs last clinched a National League pennant -- and it had a thrilling ending.

The Cubs got off to a horrid start in 1944, but then made a move that could have helped them win the pennant the next year.

The Cubs had a first in franchise history on this summer Friday.

The Cubs split a doubleheader this day in Cincinnati, in unusual fashion.

The Cubs continued their 1940 slide the following year, finishing even worse. But early on, they won an exciting extra-inning affair in St. Louis.

The 1940 Cubs posted the first losing season for the franchise in more than a decade.

The Cubs played one of the longest marathons in Wrigley Field history on this date... to a draw.

A few more notes on what is, to this day, one of the most famous games in Cubs history.

The Cubs missed the pennant by just a few games in 1937, but that year saw a significant change to Wrigley Field.