Both sets of fans observed a perfect minutes silence for the Queen before watching the visitors claim victory.
Match photographer David Lowndes captured just some of the Posh fans who headed to London Road.
Check out this gallery and see who you know.
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1. Posh 0 Fleetwood 1
Peterborough United fans ahead of kick-off against Fleetwood Town last night. Photo: David Lowndes
2. Posh 0 Fleetwood 1
Peterborough United fans ahead of kick-off against Fleetwood Town last night. Photo: David Lowndes
3. Posh 0 Fleetwood 1
Peterborough United fans ahead of kick-off against Fleetwood Town last night. Photo: David Lowndes
4. Posh 0 Fleetwood 1
Peterborough United fans ahead of kick-off against Fleetwood Town last night. Photo: David Lowndes
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