Kress Drachenflieger
... that the Kress Drachenflieger of 1901 was the first heavier-than-air machine to use an internal combustion engine in an attempt to fly?
... that the <b id="mwCNs"><a href="./Kress_Drachenflieger" id="mwCNw" rel="mw:WikiLink" title="Kress Drachenflieger">Kress Drachenflieger</a></b> of 1901 was the first <a href="./Aircraft#Heavier_than_air.E2.80.94aerodynes" id="mwCN0" rel="mw:WikiLink" title="Aircraft">heavier-than-air</a> machine to use an <a href="./Internal_combustion_engine" id="mwCN4" rel="mw:WikiLink" title="Internal combustion engine">internal combustion engine</a> in an <a class="mw-redirect" href="./First_flying_machine" id="mwCN8" rel="mw:WikiLink" title="First flying machine">attempt to fly</a>?