<Tr> <Td> </Td> <Td> <Table> <Tr> <Td> </Td> <Td> <P> Cycads (gymnosperm) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Bennettitales </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> <P> Cycads (gymnosperm) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Bennettitales </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> <P> Cycads (gymnosperm) </P> </Td> </Tr> <P> Cycads (gymnosperm) </P>

List the five major events in the evolutionary history of plants