The portrait on the desk where Eliza Jane Wilder writes in her diary is actually a photo of the real Laura Ingalls Wilder.
Laura and Almonzo Wilder were married August 1885. She was 18 as nd he 28.
Despite Pa being adamant Laura and Almonzo wait 1 year from her 16th birthday to wed...the timeline between episodes are only 7 months.
Second appearance of Alvy Moore playing as the store clerk in Sleepy Eye