N.K., B.S., K.L., and M.K. gratefully acknowledge financial support by the Graduate School of Excellence Materials Science in Mainz (MAINZ, GSC266) and support from the Max Planck Graduate Center (MPGC). M.K. and the groups in Mainz acknowledge funding by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)—projects 290319996/TRR173, 403502522/SPP 2137 Skyrmionics and 290396061/TRR173 and the EU (ERC-2019-SyG 3D MAGiC #856538, FET-open s-NEBULA #863155). C.G. acknowledges funding by the Deutsche Forschungsgemeinschaft (DFG)—projects GU 535/4-1 and KS 62/1-1. Y.M. acknowledges funding from the DARPA TEE program through Grant MIPR (No. HR0011831554) from DOI and support from Leibniz Collaborative Excellence project OptiSPIN — Optical Control of Nanoscale Spin Textures. We also gratefully acknowledge the Jülich Supercomputing Center and RWTH Aachen University for providing computational resources under project jiff40. Measurements were carried out at the DiProI beamline at the FERMI FEL facility in Trieste, Italy. We thank FERMI FEL facility for the allocation of the beamtime and the technical support offered during the measurements. We acknowledge Felix Büttner for valuable discussions.

Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering" (Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering | Nature Communications) [2002.03971] Chiral versus collinear magnetic order dynamics: faster chiral recovery after optical excitation revealed by femtosecond XUV scattering (arxiv.org)