Laminated glass and projection image display system

A laminated glass comprising, in the following order:

• a first glass plate;
• an alignment film containing a vinyl alcohol resin;
• a retardation layer formed of a composition containing a polymerizable liquid crystal compound and a compound represented by Formula (1);
• a cholesteric liquid crystal layer;
• and
• a second glass plate,
• in Formula (1), R1 represents a hydrogen atom or a methyl group,
• L1 represents a single bond or a divalent linking group,
• R2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, two R2's may be bonded to each other to form a ring,
• R3 represents a substituent, and
• n represents an integer of 0 to 4.