Fritz Platten is mostly known for having been the main organizer of Lenin’s return trip from the exile in Switzerland back home to Russia after the February Revolution. Due to the First World War, the trip was not easily arranged, but Lenin and his company traveled through Germany in a sealed traincar. They then took the ferry to Sweden and were greeted in Stockholm by the Swedish communist leaders Otto Grimlund, Ture Nerman, Carl Lindhagen and Fredrik Ström, who together with Platten had helped plan the trip. The train journey then continued through northern Sweden and Finland back to Russia and St Petersburg.
Platten was present when Lenin’s car was attacked in Petrograd on January 1, 1918. The two were riding in the back of the car after having given a public speech at Mikhailovsky Manege. When the shooting started "Platten grabbed Lenin by the head and pushed him down. ... Platten’s hand was covered in blood, having been grazed by a bullet as he was shielding Lenin."
- Lenin, V. I. (1972). Speech At The Send-Off Of The Socialist Army’s First Troop Trains. Lenin’s Collected Works 26. Moscow: Progress Publishers. p. 420, a footnote. "
1. The send-off took place in Mikhailovsky Manège on January 1 (14), 1918. As Lenin was returning to the Smolny an attempt was made on his life: a bullet went through the windscreen and passed over his head. The Swiss Communist, Fritz Platten, who was with Lenin, was wounded."
- Volkogonov, Dmitri Lenin: A New Biography, 1994. Page 229.
- Kevin McDermott The Comintern: A History of International Communism from Lenin to Stalin, 1996. Page 146.