October 1939 lunar eclipse

A partial lunar eclipse took place on Saturday, October 28, 1939. It was a nearly total eclipse, with 98.77% of the Moon under Earth's umbral shadow. It was the last partial lunar eclipse of the first set of partial eclipses in Saros series 135 as well as the largest partial lunar eclipse of the 20th century.

Half-Saros cycle
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to two total solar eclipses of Solar Saros 142.

Saros series
It was part of Saros series 135.

Tritos series

 * Preceded: Lunar eclipse of November 27, 1928
 * Followed: Lunar eclipse of September 26, 1950

Tzolkinex

 * Preceded: Lunar eclipse of September 14, 1932
 * Followed: Lunar eclipse of December 8, 1946